We will wait until everyone_______ back.
| A．comes | B．come |
| C．is coming | D．will come |
Hurry up，or you ________ catch the train．
| A．can’t |
| B．needn’t |
| C．mustn’t |
| D．shouldn’t |
—Must I hand it in today？
—No，you ________．You can do it tomorrow．
A．mustn’t
B．can’t
C．needn’t
Don’t drink the soup．It smells ________．
| A．nice |
| B．delicious |
| C．salty |
| D．terrible |
—What are the school rules？
—We ________ arrive late for class．
| A．aren’t |
| B．don’t |
| C．can’t |
| D．don’t have to |
—________ I finish my homework now？
—No，you ________．Your work is over today．
| A．Can’t；must |
| B．Must；don’t have to |
| C．May；couldn’t |
| D．Couldn’t；could |