1. People who drink wine to drive after May Day.
A. don't allow B. isn't allowed
C. mustn't allow D. mustn't be allowed
2. --- It's difficult for the village children to cross the river for school.
--- I think a bridge over the river.
A. should be built B. is being built
C. has been built D. was built
3. Sixteen-year-olds shouldn't to go to an Internet bar.
A. be allowed B. be allow C. allow D. are allowed
