alltheinventionshaveincommonis

_____ all the inventions have in common is ______ they have succeeded.

A．What; what 　

B．That; what

C．What; that 　

D．That; that

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Sam has been appointed _______ manager of the engineering department to take ____ place of George.
A. /, / B. the, / C the, the D./, the

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to work overtime that evening, I missed a wonderful film.

A．

Having been asked

B．

To ask

C．

Having asked

D．

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--Kevin, you look worried. Anything wrong?
--Well, I a test and I’m waiting for the result.

A．will take

B．took

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--John, when shall we meet again, Thursday or Friday?
--___________.I’ll be off to London then.

A．Either

B．Neither

C．Both

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—Look, here comes your dream girl. Invite her to dance.
—______What if she refuses me?

A．I don’t know

B．Why me?

C．With pleasure

D．So what?

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