He tries _______ English. And he finishes______ homework every day.
A.tolearn,todoB.learning,doingC.tolearn,doingD.learning,todo...
A. to learn, to do
B. learning, doing
C. to learn, doing
D. learning, to do 展开
B. learning, doing
C. to learn, doing
D. learning, to do 展开
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