Since we ________ our homework now. Let’s have a rest. A．doB．are doing C．will do
题型：不详难度：来源：
Since we ________ our homework now. Let’s have a rest. | A．do | B．are doing | C．will do | D．have done |
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答案
| D |
解析
| since 为陈述原因，而根据后文的内容Let’s have a rest.可知事情已经做了，故用现在完成时，故选D |
举一反三
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