—ItbeJackwhoisintheoffice.—No,

— It _______ be Jack who is in the office.
— No, it _______ be him. I saw him off at the airport half an hour ago.

A．can’t ; can’t	B．must; can’t
C．must; mustn’t	D．may; mustn’t

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It is said that body language________55 per cent of a first impression while what you say just 7 per cent.

A．lies in	B．accounts for
C．consists of	D．goes with

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The failure was a big ________to him, but he wasn't discouraged and soon got as enthusiastic as ever.

A．blow

B．issue

C．excuse

D．Factor

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It was________of Michael to inform us of his delay in case we got worried.

A．careless

B．considerate

C．patient

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_______A common memory they all have their school days is the school uniform.

A．of

B．on

C．to

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The research group produced two reports based on the survey, butcontained any useful suggestions.

A．

all

B．

none

C．

either

D．

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