题目内容
1.By the end of last year,we ____ thousands of trees around our city.( )A. | planted | B. | had planted | ||
C. | would plant | D. | had been planted |
分析 到去年年底为止,我们已经在我们的城市周围种了成千上万棵树.
解答 答案:B
根据句中的时间状语"By the end of last year"(到去年年底为止)可知,此处表示发生在过去之前的动作,应使用过去完成时;故选B.
点评 本题考查了过去完成时(had+done)的用法;首先应根据句中的时间状语,判断出此处应使用的时态;其次应了解过去完成时表示的是发生在过去之前的动作;最后应熟练掌握各时态的意义及用法区别.
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