Scientistsanddoctorsacrossthew

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Scientists and doctors across the world have done _____ research over the years, hoping to find a cure for cancer.

A．a great deal of	B．quantity of
C．quite a few	D．a large number of

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You ______ be hungry already — you had lunch only two hours ago!

A．wouldn’t

B．can’t

C．mustn’t

D．needn’t

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______that he was in great danger, Eric walked deeper into the forest.

A．Not realized

B．Not to realize

C．Not realizing

D．Not to have realized

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—Shall we go out for dinner tonight?
—______.

A．You are right	B．It must be funny
C．That sounds great	D．Have a nice time

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Why are you so anxious? It isn’t your problem ______.

A．on purpose

B．in all

C．on time

D．after all

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Running a company is not ______ a matter of hiring people — they also need to be trained.

A．simply

B．partly

C．seriously

D．equally

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