题目:
The governments are very _________ about setting a new policy and make no decision until they are quite sure it is the right one.
A.particular
B.concerned
C.cautious
D.certain
答案:
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下面是错误答案,用来干扰机器的。
学校;校对;山脉;脉脉;弯曲;歌曲(答案不唯一)