We trees last Sunday. So far we over 3.000 trees there.A. planted, planted B. planted, have plantedC. have planted, planted D. have planted, have planted B [解析]句意:上周日我们种树了.到目前为止我们已经种了3000棵树.根据时间状题目和参考答案——青夏教育精英家教网—

题目内容

We ____________ trees last Sunday. So far we __________ over 3，000 trees there.

A. planted； planted B. planted； have planted

C. have planted； planted D. have planted； have planted

B 【解析】句意：上周日我们种树了。到目前为止我们已经种了3000棵树。根据时间状语last Sunday可知用一般过去时态，plant的过去式是plant。根据时间状语So far可知用现在完成时，其结构是have done的形式。根据题意，故选B。

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