—Someoneisknockingatthedoor.It

— Someone is knocking at the door. It _________ be Tom.
— No, it ________ be him; he has gone to Sydney.

A．must; can’t

B．might; mustn’t

C．may, neddn’t

D．can; mustn’t

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_________ the task on time, he was fired by the boss.

A．Not completed	B．Not having completed
C．Not have completed	D．Not being completed

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–Why, Jack! Someone seems to have called you over there. – Yes? I __________ that.

A．am not realizing	B．haven’t realized
C．didn’t realize	D．don’t realize

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After ________ absence of 10 years from his hometown, Mr. Li doesn’t know ________ great changes have taken place there.

A．an;/

B．an; the

C．the; a

D．/; the

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–Why don’t we go to the new Sichuan restaurant for a meal?
–___________.

A．Great! I’ve been expecting that

B．Sorry, but I forgot it.

C．No, I won’t go for it

D．It’s not my pleasure

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A new problem has arisen: how should they broaden the bridge to ______ the flow of traffic?

A．take up

B．speed up

C．hold up

D．break up

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