–Listen! Helen is singing in the next room.
-- It be Helen. She has gone to Guangzhou.
| A．would | B．can’t |
| C．could | D．might |
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 |
Mum, may I watch TV for a while ? –of course, if your work _____.
| A．is finished | B．finishes | C．have been finished | D．will be finished |