题目内容


I am _____ about what I say because careless remarks are likely to hurt others' feelings．
A．enthusiastic B．concernedC．doubtfulD．cautious
D

试题分析：形容词短语辨析。Be enthusiastic about对…热情；Be concerned about关注…；Be doubtful about怀疑…；Be cautious about对…很谨慎；对于所说的话我很谨慎，因为粗心的评论很可能伤害到其他人的感情。根据句意说明D正确。
点评：每个形容词都有自己的搭配：Be enthusiastic about对…热情；Be concerned about关注…；Be doubtful about怀疑…；Be cautious about对…很谨慎；
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