Sciencehasgivenclearevidencesm

Science has given clear evidence ______ smoking can lead to many diseases.

A．what

B．which

C．that

D．where

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— My son, who is now studying at a university, uses more than 3,000 yuan a month.
— Well, tell him to be economical. After all, ______.

A．money doesn’t grow on trees	B．the morning sun never lasts a day
C．light come, light go	D．penny wise, pound foolish

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After the 5-hour long journey, all the tourists were_____and desperate to have a good rest．

A．turned out

B．given out

C．run out

D．burnt out

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---Haven’t you finished your report yet?
--- How I regret ________ the weekend _________ TV!

A．wasting; to watch	B．to waste; to watch
C．to waste; watching	D．wasting; watching

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If _______, these injuries can develop into more serious problems.

A．left untreating	B．left untreated
C．leaving untreated	D．are left untreated

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_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.

A．Blaming; to admit	B．Blamed; admit
C．To blame; admitted	D．To be blamed; admitting

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