题目内容:
Li Lei didn't play computer games last weekend. ________, he worked as a volunteer in an old people's home.
A.Instead
B.Certainly
C.Though
D.Gradually
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答案解析:
Li Lei didn't play computer games last weekend. ________, he worked as a volunteer in an old people's home.
A.Instead
B.Certainly
C.Though
D.Gradually