题目内容
16.---Did you see the traffic accident yesterday?---Yes,I saw it__________ when I _______ past the school gate.( )
| A. | to happen; walked | B. | happen; was walking | ||
| C. | to happen; was walking | D. | was happened; walked |
分析 --你昨天看到交通事故了吗?
--是的,我看到它发生时我正经过学校门口.
解答 答案:B 考查非谓语动词.根据句子结构,第一个空用固定短语see sb do sth,要用动词原型,故排除A、C,D.第二个空根据句意要用过去进行时,构成是主语+was/were+现在分词,故选择B.
点评 考查非谓语动词.根据句子结构,用合适的动词形式完成句子.
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