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—Jim is very sick these days. He coughs so badly.

—In my opinion, he really ________ listen to the doctor and cut down on smoking.

A．should B．can

C．may D．need

—You will never believe that it took us two hours to get to the restaurant.

—Really? You ________ in a traffic jam.

A．needn't have got stuck B．couldn't have got stuck

C．must have got stuck D．should have got stuck

—Jenny took the 8： 00 bus to Guangzhou this morning.

—Really? She ________ the 9：00 train. It's much more comfortable and safer to travel by train.

A．could have taken B．should take

C．must have taken D．can take

Mother reminds, “________ rain, take an umbrella.” as spring approaches.

A．Shall it B． It shall

C．Should it D．It should

—We'll go to the party to be held in Qinghai Grand Theater at 8 tonight. Could you join us?

—I'm afraid I can't. I ________ the holiday plan with my friends.

A．am discussing B．have discussed

C．will be discussing D．will have discussed

—Car prices have been going down sharply in the last 20 years.

—It's not surprising because the law of market ________ the price of a product.

A．is controlling B．controls

C．has controlled D．controlled

—Look, I've got admission to Harvard University for a short?term study next semester.

—How fantastic! You ________ a different university life then.

A．have experienced B．will be experiencing

C．have been experiencing D．will have experienced

Today many physical bookstores ________ down with financial difficulties, inflexible management strategies and competitive pressure from online bookstores.

A．had closed B．having closed

C．being closed D．are closing

Despite ongoing street protests, US beef ________ in South Korea due to its lower price.

A．is sold well B．sells well

C．sells poorly D．is sold poorly

In general, most tennis ________ on hard courts or on clay.

A．plays B．is played

C．has played D．has been played