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The reason ____ their failure you know is _____ they didn’t get fully prepared for the experiment.

A．why; that          B．that; why          C．for; that           D．why; because

I am really worried about _____ I have hurt his feelings, though I didn’t mean to.

A．whether          B．what             C．if                D．how

—Can I pay the bill by check?

—Sorry,sir.But it is the management rules of our hotel that payment ____ be made in cash.

A．can              B．will              C．shall             D．may

There is a growing_____of interest between her position and her business activities.

A．demand          B．concern           C．a(chǎn)wareness         D．conflict

We should make the world be aware of the fact that the land hunger ____ population growth before we carry out our population policy.

A．contributes to      B．leads to           C．results in          D．results from

Amy insists that she ____ the secret to lose weight. But she won’t share it with us.

A．had discovered                         B．discovers

C．has discovered                         D．will discover

We met an old friend in New York ____ our expectation.She waved at us ____ the street when she saw us.

A．with;in                               B．out of;next to

C．in;out of                              D．beyond;from across

I don’t remember how many years ago____ State Street began its business in China.

A．it was when                            B．it was that

C．was it when                            D．was it that

What a great artist! It seemed only a couple of minutes ____ he had finished this wonderful painting!

A．until             B．when             C．a(chǎn)fter             D．before

Now young people like to go to the fast-food restaurant,____ ,as the name says,eating doesn’t take much time.

A．which            B．that              C．what             D．where