More and more high-rise buildings have been built in big cities（）space.

单项选择题It's a very kind offer, but I really（）accept it.

A. mustn't
B. needn't
C. can't
D. don't

单项选择题—Have great changes taken place in your village —Yes. A new school was（）in the village last year.

A. held up
B. set up
C. sent up
D. brought up

单项选择题—Professor Johnson, I'm afraid I can't finish the report within this week.—（）.How about next week

A. Good for you
B. It won't bother me
C. Not at all
D. That's OK

单项选择题Her sister（）a rich man. They（）for twenty years.

A. married with; have married
B. married to; have married
C. married; have been married
D. had married; have been married

单项选择题（）in my life impressed me so deeply as my first visit to the Palace Museum.

A. Anything
B. Nothing
C. Everything
D. Something

单项选择题—Can you believe I had to pay 30 dollars for a haircut —You should try the barber's （）I go. It's only 15.

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

单项选择题People have always been（）about exactly how life on earth began.

A.curious
B.excited
C.anxious
D.careful

单项选择题We（）on this project for four hours. Let's have a rest.

A.are working
B.have been working
C.worked
D.had worked