Fill in the blanks with an appropriate verb form, preposition or determiner. This grammar exercise is designed for students of classes 9 and 10.<\/p>\n
India \u2026\u20261\u2026\u2026.. (take \/ took \/ has taken) a significant step towards developing a ballistic missile defence (BMD) system, \u2026\u2026\u20262\u2026\u2026\u2026\u2026 (when \/ then \/ as) an \u2018interceptor\u2019 missile \u2026\u2026\u20263\u2026\u2026\u2026\u2026 (kills \/ killed \/ had killed) a \u2018hostile\u2019 missile \u2026\u2026\u2026\u20264\u2026\u2026\u2026\u2026. (of \/ off \/ out) the Orissa coast on December 6. Defense scientists \u2026\u2026\u2026..5\u2026\u2026\u2026\u2026 (say \/ said \/ have said) the test validated the design of the endo-atmospheric layer of the two-tier BMD system \u2026\u2026\u2026..6\u2026\u2026\u2026.. (been \/ being \/ be) developed by India. The aim is to have a BMD system capable \u2026\u2026\u2026.7\u2026\u2026\u2026.. (of tracking \/ to track \/ of track) and destroying hostile missiles \u2026\u2026\u20268\u2026\u2026\u2026. (either \/ both \/ neither) inside (endo) and outside (exo) the earth\u2019s atmosphere.<\/p>\n
Solutions<\/strong><\/p>\n India took<\/strong> a significant step towards developing a ballistic missile defence (BMD) system, when<\/strong> an \u2018interceptor\u2019 missile killed<\/strong> a \u2018hostile\u2019 missile off<\/strong> the Orissa coast on December 6. Defense scientists said<\/strong> the test validated the design of the endo-atmospheric layer of the two-tier BMD system being<\/strong> developed by India. The aim is to have a BMD system capable of tracking<\/strong> and destroying hostile missiles both<\/strong> inside (endo) and outside (exo) the earth\u2019s atmosphere.<\/p>\n Scores of scientists around the world \u2026\u2026..1\u2026\u2026\u2026. (race \/ are racing \/ have raced) to turn algae into a commercially viable energy source. Some algae \u2026\u2026\u2026..2\u2026\u2026\u2026.. (are \/ were \/ have \/ has) as much as 50% oil that can be converted into bio-diesel or jet fuel. The biggest challenge \u2026\u2026\u2026..3\u2026\u2026\u2026. (is \/ has \/ was) cutting the cost of production. Researchers are also trying to figure out how \u2026\u2026\u2026..4\u2026\u2026\u2026.. (grow \/ to grow \/ growing) enough of the right strains of algae and how to extract the oil most efficiently.<\/p>\n Solution<\/strong><\/p>\n Scores of scientists around the world are racing<\/strong> to turn algae into a commercially viable energy source. Some algae are<\/strong> as much as 50% oil that can be converted into bio-diesel or jet fuel. The biggest challenge is<\/strong> cutting the cost of production. Researchers are also trying to figure out how to grow<\/strong> enough of the right strains of algae and how to extract the oil most efficiently.<\/p>\n","protected":false},"excerpt":{"rendered":" Fill in the blanks with an appropriate verb form, preposition or determiner. This grammar exercise is designed for students of classes 9 and 10. Class 10 English Grammar Worksheet India \u2026\u20261\u2026\u2026.. (take \/ took...<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[231],"tags":[113,596,72],"class_list":["post-3692","post","type-post","status-publish","format-standard","hentry","category-class-10-worksheets","tag-class-10-grammar-worksheets","tag-english-grammar-worksheets","tag-grammar-worksheets"],"_links":{"self":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts\/3692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/comments?post=3692"}],"version-history":[{"count":3,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts\/3692\/revisions"}],"predecessor-version":[{"id":3696,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/posts\/3692\/revisions\/3696"}],"wp:attachment":[{"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/media?parent=3692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/categories?post=3692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perfectyourenglish.com\/blog\/wp-json\/wp\/v2\/tags?post=3692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Gap fills exercise 2<\/h2>\n