The students came to ask the teacher___________.
| A．when will they hand in their homework |
| B．when would they hand in their homework |
| C．when they will hand in their homework |
| D．when they would hand in their homework |
The bridge _____ by the farmers themselves in 1982.
| A．built | B．was built | C．build | D．was build |
There are many tall buildings on ____ sides of the street .
| A．each | B．every | C．both | D．either |
The president _____ all people _____ our environment.
| A．urge, protect | B．urged, to protect | C．urges, protect | D．urged, protect |
At last, Lucy make the baby ____ and the baby began to laugh.
| A．stop crying | B．to stop crying | C．stop to cry | D．to stop to cry |
Must we finish all the homework today or tomorrow?
– You ____ worry about it. You may hand it in next week.
| A． mustn’t | B．can’t | C．needn’t | D．shouldn’t |