题目内容
The students in Grade One are __________ and think __________ before they work.
A. thoughtful;careful B.thoughtful;carefully
C.thinking;careful D.thinking;carefully
答案:B
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题目内容
The students in Grade One are __________ and think __________ before they work.
A. thoughtful;careful B.thoughtful;carefully
C.thinking;careful D.thinking;carefully