题目内容
He is clever, but ________, he makes many mistakes.Which of the following can not be filled in the blank?
[ ]
A.on the other hand
B.at the same time
C.sometimes
D.however
答案:D
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题目内容
He is clever, but ________, he makes many mistakes.Which of the following can not be filled in the blank?
A.on the other hand
B.at the same time
C.sometimes
D.however