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_____ got on the train when it began to move.

A．No sooner had I     B．I had no sooner     C．Hardly had I        D．I hardly had

I wrote him a letter to show my _____ of his thoughtfulness.

A．a(chǎn)chievement       B．a(chǎn)greement         C．a(chǎn)ttention          D．a(chǎn)ppreciation

The experts suggested the problem worth paying attention _____ at the meeting.

A．to be discussed                         B．to been discussed

C．being discussed                         D．should be discussed

With a lot of difficult problems ____, the newly -elected president is having a hard time.

A．settled           B．settling           C．to settle           D．being settled

Some researchers believe that there is no doubt ____ a cure for AIDS will be found.

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

---I hear Johnson was badly injured in the accident.    ---_____, let's go and see him.

A．If so              B．Whenever possible  C．If any             D．What's more

Michael Jordan, known as ____ top scorer in _____ NBA, did much charity work for society.

A．a(chǎn); a              B．the; the           C．A; /              D．/; the

_____ the flight to New York will be delayed is ____ I'm especially worried about.

A．If; what           B．Whether; that      C．When; that        D．Whether; what