It's necessary that another computer center _____ on campus.
A: will be built
B: be built
C: must be built
D: has been built
A: will be built
B: be built
C: must be built
D: has been built
举一反三
- It is highly necessary that another computer centre be built on campus.
- --It’s difficult for the village children to cross the river for school.--I think a bridge ____ over the river.A. was built B. is being built C. has been built D. should be built A: was built B: is being built C: has been built D: should be built
- Most of the houses _______ this year. A: has built B: have built C: has been built D: have been built
- It is reported that by the end of this year，another school will． A: e built B: have built C: have been built D: have be built
- The defense works ______ long ago to keep the enemy away. A: were built B: has been built C: had been built D: was built