问题
Please don’t make any noise in the reading room. —_______________.
A:to
B:at
C:as
D:for;
B:at
C:as
D:for;
正确答案是：
同类题型
When it ______ advertising, consumers need to be educated about techniques used by advertisers.
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It’s nice ___________him to treat _________ many children kindly.
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