theInternetisofgreathelp,Idon’

_____the Internet is of great help, I don’t think it ‘s a good idea to spend too much time on it.
A. If B. While C. Because D. As

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The manager was worried about the press conference his assistant _______in his place, but luckily, everything was going on smoothly.

A．gave

B．gives

C．was giving

D．had given

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—So you gave her your phone?
—_______. She said she’d return it to me when she could afford her own.

A．My pleasure

B．Not exactly

C．No doubt

D．All right

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—Do you know who knocked at our door last night, the postman?
—It _______ him. It was only 5 o’clock.

A．mustn’t	B．can’t have been
C．can’t	D．mustn’t have been

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It is said the Great Wall_______ the Warring States, is _______worth visiting.

A．dated from; much	B．dated from; well
C．dating from; much	D．dating from; well

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I have _______ my father again and again not to smoke, but I can’t ______ him.

A．persuaded; advise	B．advised; persuade
C．suggested; persuade	D．suggested; advise

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