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"What do you recommend ________ about this tax problem?" "I strongly suggest that we consult an expert as soon as possible"A.do we do
B.we will do
C.we do
D.should we do

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The mystery movie was clever and suspenseful. The audience couldn't guess ________ committed the murder until the surprise ending.
A.who he
B.who had
C.that who
D.that

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________ prompt is important to our boss.
A.A person is
B.Is a person
C.If a person is
D.Whether or not a person is

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"Is it true ________ the law says there is no smoking in restaurants in this city?" "Yes. That law was passed last year."A.that what
B.what
C.if
D.that

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A fortune-teller predicted ________ inherit a lot of money before the end of the year.
A.that I would
B.that I
C.what I will
D.what I

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"Is it true that you fell asleep in class yesterday and began to snore?" "Unfortunately, yes. _____ is unbelievable! I'm very embarrassed"A.That I could do such a thing it
B.That I could do such a thing
C.I could do such a thing it
D.I could do such a thing

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"I didn't expect Ann's husband to be here at the opera with her." "I'm surprised, too. Ann must have insisted that ________with her"A.he come
B.he comes
C.he came
D.he had come

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"There's too much noise in this room. I can't understand what ________" - "Neither can I."A.is the professor saying
B.is saying the professor
C.that the professor is saying
D.the professor is saying

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It is hoped that all present-day communicable diseases will be conquered. However, ________ about certain diseases is still not sufficient to prevent them from spreading easily among the population.
A.what we know
B.what do we know
C.what we know that
D.that we know what

A.comfortable
B.necessary
C.community
D.memorable