题目内容
12.-Has your friend completed his design?-Not yet.He ________ on it last night.( )
A. | worked | B. | has worked | C. | is working | D. | was working |
分析 翻译:
-你的朋友完成他的设计吗?
-还没有,昨晚他一直在做.
解答 worked一般过去时,说明过去的情况,与现在无关;has worked现在完成时,说明现在已经完成;is working现在进行时,表示现在正在做的事;was working过去进行时,表示过去某个时间或时间段内正在做的事.分析句意可知用过去进行时.故选:D.
点评 本题考查过去进行时.根据语境和句意确定句子的时态并选出问题的正确答案.
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