Complete The Given Passage | Class 10 Grammar Worksheets

Complete the given passage.

There are numerous things ………………………. (that / this /what) an Unidentified Flying Object can be other than an alien spacecraft. It can be an aircraft, secret military operation, common astronomical phenomena ………………………… (like / as / such as) the northern lights, meteor showers and comets. Clouds that ……………………….. (were / are / is) so high in the atmosphere may reflect the Sun even at night, appearing to glow. Weather balloons and ball lightning can also be …………………………. (mistake / mistook / mistaken) for a UFO.

People ………………………..(has /have / had) always tried to fake UFOs. A group of light aircraft pilots in Hudson Valley, New York, ………………………
(fooled /have fooled / had fooled) many people by attaching multi-coloured lights to their planes. They flew in formation to give the impression of a huge boomerang-shaped UFO ……………………… (sail / sailed / sailing) across the sky. Then, they turned ……………………….. (up / out / off) their lights on cue and made it look like the ship…………………………. (has / have / had) mysteriously disappeared.

 Answers

There are numerous things that a UFO can be other than an alien spacecraft. It can be an aircraft, secret military operation, common astronomical phenomena such as the northern lights, meteor showers and comets. Clouds that are so high in the atmosphere may reflect the Sun even at night, appearing to glow. Weather balloons and ball lightning can also be mistaken for a UFO.

People have always tried to fake UFOs. A group of light aircraft pilots in Hudson Valley, New York, fooled many people by attaching multi-coloured lights to their planes. They flew in formation to give the impression of a huge boomerang-shaped UFO sailing across the sky. Then, they turned off their lights on cue and made it look like the ship had mysteriously disappeared.

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