Ifyouhavetroublepronouncingthe

If you have trouble pronouncing the word, you can repeat it over and over again _______ you are comfortable with it.

A．unless	B．if
C．until	D．while

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相关试题

Which of the following is caused by the earth's turning around the sun?

A．The rising and setting(落下) of the sun and moon.

B．The change of spring, summer, autumn and winter of the year.

C．The change of the day and night.

D．The time in the east is earlier than that in the west.

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--Is he still raising money for charity?
--Yes. He never hope of helping poor children.

A．gives up

B．gives out

C．takes off

D．takes out

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--Peter shut his mouth at the meeting all the time. How about Tom?
______________.

A．He does so

B．He did so

C．So does he

D．So did he

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--This dress looks beautiful on you. How much is it’?
--It me more than a thousand yuan.

A．spent

B．cost

C．took

D．paid

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-Is Lucy or Lily the _ _ of the twins?
--Lucy. She was born half an hour earlier.

A．younger

B．youngest

C．elder

D．eldest

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