There are many beautiful ______.
A. book
B. dresses
C. cell phone
D. grocery
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Do you think you are qualified ______ this job?
A. with
B. for
C. on
D. of
The beautiful sweater ____ me 30 dollars.
A. spend
B. paid
C. cost
D. take
在维基中，用户无法对材料的真实性进行讨论。
A. 对
B. 错
POP3协议是用于发送邮件的协议。
A. 对
B. 错
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