题目内容
( ) 5. Be careful!The ice isn't thick. You on it.
A. had better to skate
B. had better skate
C. hadn't better skate
D. had better not skate
D
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题目内容
( ) 5. Be careful!The ice isn't thick. You on it.
A. had better to skate
B. had better skate
C. hadn't better skate
D. had better not skate
D