Scientistsanddoctorsacrossthew

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 should have apologized to your parents for your rude manners.
—_______ They are too hard on me.

A．So what?	B．What’s up ?
C．What for?	D．How come?

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Good appearance and wealthy families are important in choosing a life-long partner, but not _______.

A．something	B．anything
C．everything	D．nothing

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We should _______ the police to undertake a full investigation into the traffic accident, of which the witnesses gave different versions.

A．apply for	B．call for
C．stick to	D．devote to

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—Why din’t you come to my birthday party last night?
—I was going to, but I was _______ occupied with something important.

A．also	B．just
C．nevertheless	D．otherwise

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Researchers found that people who drank excessively were twice as likely as those who drank regularly ______ ischemic(出血性) heart attacks.

A．suffering from	B．suffered from
C．to suffer from	D．suffer from

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