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
______ the practice, the best rule is the one that works.
A．As regards
B．As regard to
C．As regards with
D．In regard to
单项选择题
______ can help but admit that drastic changes have taken place in China since the economic reform in 1979.
A．Everybody
B．Anybody
C．Somebody
D．Nobody
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