题目内容
-How do you know that she likes singing?
-I often hear her ________ after class.
[ ]
A.to sing
B.sang
C.sing
D.sings
答案:C
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题目内容
-How do you know that she likes singing?
-I often hear her ________ after class.
A.to sing
B.sang
C.sing
D.sings