题目内容

The book is _______.You’d better buy it.

A. useful
B. useless
C. use
D. careful

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Swimming in the sea is ________ than swimming in a pool.

A. exciting
B. more exciting
C. excitinger
D. excited

It’s time for CCTV news.Let’s ______ the TV and watch it.

A. turn on
B. get on
C. try on
D. put on

We should learn English step ______ step.

A. at
B. on
C. in
D. by

-- What does “No Entry” mean? ________.

A. 禁止入内
B. 禁止吸烟
C. 禁止触摸
D. 禁止喧哗

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