单项选择题

People today spend a______ portion of their time conferring on the proper way to bring up children.

A．considerable
B．significant
C．substantial
D．surplus
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单项选择题
Success in life does not depend so much on one's school record______ on one's honesty and diligence.
A．but
B．whereas
C．as
D．like
单项选择题
In learning a foreign language, ______English, one should first pay attention to speaking, which is the groundwork of reading and writing.
A．says
B．say
C．to say
D．saying
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