单项选择题

We have to ask them to quit talking in order that all people present could hear us clearly.

A．increase
B．cease
C．continue
D．keep
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单项选择题
Universities usually give diplomas or certificates to students who complete course requi-rements adequately.
A．responsibly
B．sufficiently
C．patiently
D．successfully
单项选择题
What were the effects of the decision she made
A．reasons
B．results
C．causes
D．bases
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