—WhydidntyouanswermyphonewhenI

—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday?
—I ___________and failed to hear the phone.

A．might have slept	B．must be sleeping
C．might be sleeping	D．must have been sleeping

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相关试题

.I told Sally how to get here, but perhaps I ________ for her.

A．had to write it out	B．must have written it out
C．ought to have written it out	D．ought to write it out

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Some of the doctors are paid almost ______ as the nurses.

A．twice as much

B．much as twice

C．as much twice

D．as twice much

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. The government has to close those small factories to prevent the water of the river ______.

A．polluting

B．from polluting

C．being polluted

D．polluted

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If you keep on, you will succeed ________.

A．in time

B．at one time

C．at the same time

D．on time

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—________ you__________ the editor at the airport?
—No, when we got there, he___________ driven away.

A．Have; met; has been	B．Did; meet; had been
C．Did; met; have been	D．Have; met; was

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