If you have any problems ___English ,you can ask your teacher for help(A.lea
If you have any problems ___English ,you can ask your teacher for help(A.lea
（A.learning B.to learn C.to learning D.learn)正确答案A，why
（A.learning B.to learn C.to learning D.learn)正确答案A，why
英语人气：762 ℃时间：2019-08-21 02:14:15
优质解答
A 由固定搭配 have probems(in) doing.省略掉了 in
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