单项选择题

Mr. Black doesn't think that all bad practices should be allowed. In his opinion, there are()that should be kept up.

A.levels
B.degrees
C.standards
D.limits

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单项选择题
Tim collected some stamps, () the 17th century.

A.dates from
B.that dated from
C.which was dated from
D.dating from
单项选择题
This problem is far from(), so it is due to the director' decision.

A.settled
B.being settled
C.settling
D.being settling
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