作业帮It seem that he has some trouble ___that problemA.solve B.solves C.solving
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It seem that he has some trouble ___that problemA.solve B.solves C.solving
It seem that he has some trouble ___that problem
A.solve B.solves C.solving
It seem that he has some trouble ___that problemA.solve B.solves C.solving
C
have trouble doing
做事有困难