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求助问个English问题-Ihaveadifficulttimehomeword.Canyouhelpme?-Sorry,Idon'thaveanyfreetimeyou.A.todo,tohelpB.doing,helpingC.todo,helpingD.doing,tohelp该怎么选?为什么选D?这两句句式有什么区

题目详情
【求助】问个English问题
-I have a difficult time ______ homeword.Can you help me?
-Sorry,I don't have any free time _______ you.
A.to do,to help
B.doing,helping
C.to do,helping
D.doing,to help
该怎么选?
为什么选D?
这两句句式有什么区别么?
▼优质解答
答案和解析
D,
have difficult time (in) doing sth.做某事有困难(做某事时的时间难熬,可以这么理解)
have time to do sth.有时间去做某事(强调有时间)
-I have a difficult time ______ homework.Can you help me?我做作业很困难,你能帮我吗?
-Sorry,I don't have any free time _______ you.对不起,我没有时间帮你.