用动词的适当形式填空
【小题1】To study / Studying (study) Zhalong helps us learn about protecting wildlife.
【小题2】Some of the studentswere removing （remove）the snow when we arrived there.
【小题3】One of my classmates has been ( be) to the Great Wall twice.
【小题4】Father’s Day is ing, but Ihaven’t bought (buy) a present for my father yet.
【小题5】Tom lived (live) in Nanjing for ten months in 2005.
【小题6】Therehave been (be) many great changes in many areas in China since 2000.
【小题7】The teacher has told us many times that light travels (travel) faster than sound.
【小题8】We did everything we canto protect (protect) animals in danger.
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解析：
【小题1】动词不定式或动名词是动词的非谓语形式，可以用作句子的主语。
【小题2】此题重点考查过去进行时的基本用法。
【小题3】one of+名词的复数形式表示…其中之一，作主语时谓语动词要用单数形式。
【小题4】yet是完成时的标志性词语。
【小题5】in 2005是过去时间，故其谓语动词要用过去式。
【小题6】since 2000表示自2000年以来是完成时的标志性短语，谓语动词用完成时。
【小题7】动词不定式作目的状语。
【小题8】略