问题 选择题

Please don’t drop litter _______, you should throw it into the dustbin _______.

A.careless; careful

B.carelessly; careful

C.carelessly; carefully

D.careless; carefully

答案

答案:C

本题需要的 都应该是副词,第一个空为无意的,第二个空,表示的是小心的,故选C

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