－HowmuchshallIpayforthephoneca

－How much shall I pay for the phone call?
－You __________. This is free of charge.

A．shouldn’t

B．can’t

C．needn’t

D．mustn’t

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Increase the temperature of the gas and the gas will tend to __________.

A．expand	B．spread
C．stretch	D．extend

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A．on	B．in
C．by	D．with

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A．added up	B．added up in
C．added up to	D．was added up

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Please __________ the money and I'm sure it will __________ more than 1, 000 Yuan.

A．add; add up	B．add up; add up
C．add up; add up to	D．add to; add up

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The glass of water is too hot. I prefer some cold __________ water.

A．boiled	B．boiling
C．to boil	D．having boiled

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