Come and see me whenever ________.

A．it is convenient to you

B．you are convenient

C．you will be convenient

D．it will be convenient to you

Last year, part of Southeast Asia was struck by floods, from ________ effects the people are still suffering．

A．thatB．whoseC．whichD．what

These pictures will show you ________ 50 years ago.

A．how our city Dawukou looked like

B．what our city Dawukou looked like

C．what did our city Dawukou look like

D．how did our city Dawukou look like

—Could you go to see a film with us at 7 this evening?

—Sorry. I ________ a lecture given by a young CEO who graduated from our school.

A．am attendingB．have attended

C．will be attendingD．am about to attend

This is a very interesting book．I’ll buy it ________.

A．no matter how it may costB．how may it cost

C．how much may it costD．however much it may cost

It was ________ hot weather that he went for a swim.

A．such aB．suchC．veryD．very a

We never allow ________ in the office．Who allows him ________ here?

A．smoking; to smokeB．smoking; smoking

C．to smoke; smokingD．to smoke; to smoke

She was about to tell me the secret ________ someone patted her on the shoulder.

A．asB．untilC．whileD．when

The chairman thought ________ necessary to invite Professor Smith to speak at the meeting.

A. thatB. itC. thisD. him

Tony ________ have thought this book was worth ________ or he wouldn’t have read it over and over again．

A．can；being readB．must；to be read

C．may；readingD．must；reading