- Some of her photos ______ this exhibition.[ ]A. is on display inB. is on display onC. are on display inD. was on disp...
- Getting to other planets or to the moon _____ many problems.[ ]a. involveb. involvesc. involvingd. to involve
- In that country, the rich _____ richer, the poor, poorer.[ ]a. becomeb. has becomec. becomesd. is becoming
- The project requires more labor than _____ because it is extremely difficult.[ ]a. has been put inb. have been put in...
- Each of the students ____ bring some money here.[ ]A. hasB. haveC. has toD. have to
- Sheep ____ white and milk ____ white, too.[ ]A. is; isB. are; areC. is; areD. are; is
- ____ either you or she going to the United States?[ ]A. IsB. AreC. HaveD. Does
- There ____ a pair of shoes on the floor. The shoes ____ mine.[ ]A. are; isB. is; isC. is; areD. are; are
- Linda works hard, and ____.[ ]A. so does her brotherB. so did her brotherC. her brother do soD. her brother did so
- The teacher and writer ____ from America.[ ]A. areB. wereC. isD. come
- The manager or his assistant _____ planning to go.[ ]A. wasB. areC. wereD. be
- Books of this kind _____ well.[ ]A. sellB. sellsC. are soldD. is sold
- Three-fourths of the buildings _____ in the earthquake.[ ]A. was destroyedB. is destroyedC. were destroyedD. have des...
- There _____ many new words in lesson one, so it is very easy.[ ]A. isB. aren'tC. isn'tD. are
- 句子改错。1. Both paper and ink is used up. _________________2. Eating too much are bad for you. _________________3. ...