题目内容
Mr. Smith couldn’t open the door because his naughty boy _______ it from the inside
A. would lockB. was locking
C. has lockedD. had locked
D
【解析】
试题分析:考查动词的时态。句意:史密斯先生不能打开门是因为淘气的儿子从里面锁住 了门。史密斯不能打开门发生在过去,而儿子锁门这个动作发生在过去的过去,故用过去完成时,所以选D项。
考点 : 考查动词的时态
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