ofthemcouldsolvetheproblem,sow

______ of them could solve the problem, so we turned to a third person for help.

A．None

B．Either

C．Both

D．Neither

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There are lots of things _____ I need to prepare before the trip.

A．who

B．that

C．what

D．whom

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_____wonderful news report he wrote! All of us are proud of him.

A．What

B．What a

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D．How a

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—____! I’m sure you’ll make it.

A．No problem	B．That’s right
C．Cheer up	D．Don’t mention it

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—Not yet. We ___ go to Hong Kong.

A．may

B．must

C．should

D．need

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— ___healthy, you should take more exercise.

A．To keep

B．Keep

C．Keeping

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