After decades of effort, the city is still trying to _____ how to ban smoking in

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After decades of effort, the city is still trying to _____ how to ban smoking in public places.

A．look through

B．get through

C．figure out

D．take out

答案

解析

略

举一反三

Social networking is an important factor _______ business success.

A．devoting to

B．appealing to

C．attaching to

D．leading to

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Life in the oceans _______ from the tiniest plankton all the way up to giants like sharks and whales.

A．changes

B．ranges

C．remains

D．develops

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His mother ___ a lot of silkworms last summer.

A．rose

B．fed

C．raised

D．grew

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The machine has begun to ___.

A．have its work

B．take its work

C．do its work

D．show its work

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Sunglasses can ___ us from strong sunlight.
A. hold B. prevent C. protect D, make

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