1 . It was the last time that I ______ (offer) you help unconditionally. (所给词的适当形式填空)

2 . It was the first time that she had left China.（英译汉）
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3 . When he realized he ________ (walk) into a deep valley, he was too frightened to know what to do. (所给词的适当形式填空)

4 . By the time she was sixteen, Yani __________ (paint) more than ten thousand pictures. (所给词的适当形式填空)

5 . For most of the children, it was the first time in their lives that they __________ (watch) a movie on such a “giant” screen, as there is no cinema in the village. (所给词的适当形式填空)

6 . Nearly seventeen centuries ________ (roll) away before the city of Pompeii was dug from its silent resting place. （所给词的适当形式填空）

7 . We had already_______________(建立) contact with the museum. (根据汉语提示单词拼写)

8 . Hardly ________ (he collect) the papers on his desk when the door burst open. (所给词的适当形式填空)

9 . Many experts suspected that living things, including humans, ________ (evolve) from lower forms of life. (所给词的适当形式填空)

10 . When I reached the station, the train bound for Beijing ___________(leave). (所给词的适当形式填空)