题目内容
I finished ______ my homework about two hours ago.
A.to do | B.doing | C.does | D.to does |
B
考察固定搭配,finish+doing固定搭配。句意:我大约在两小时前做完了家庭作业。故选B
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题目内容
A.to do | B.doing | C.does | D.to does |