﹣What's wrong with your forehead(前额)?
﹣I knocked my head on the tree while I_____my dog.
﹣I knocked my head on the tree while I_____my dog.
A.walked | B.was walking | C.has walked | D.am walking |
更新时间:2019-04-02 12:50:48
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【推荐2】While Jenny _____ letters in her office, Jessica was watching a game on the Net.
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