Ihadadiffculttime()myhomeworkyesterday.A.doB.todouC.doing.D.die解释理由
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题目内容:
I had a diffcult time ( )my homework yesterday . A.do B.to dou C.doing. D.die
解释理由
优质解答
C.doing 固定搭配had a diffcult[hard] time (in )doing sth/sth[作某事有困难或不容易]
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