Tagged: gap fills worksheet

Fill in the blanks A volcano is basically a mountain that ………1………. downward to a pool of ………2……….. rock below the surface of the earth. When pressure ………3………. up, eruptions occur. Gases and rock...

Complete the following sentences. Communication is what the internet is best ……… (at / with) and the main reason that it ……………. (use) by millions of people. Email is still the …………. (more/most) popular...