Teachers` advice of _________stress over the school days must be granted by the headmaster.
| A．students to reduce | B．students reducing |
| C．students reduced | D．students being reduced |
-__________ you interrupt now? Can't you see I'm on the phone?
-Sorry Sir, but it's urgent.
| A．Can |
| B．Should |
| C．Must |
| D．Would |
I am going to Europe on vacation together with John if I __________ find the money.
| A．can |
| B．might |
| C．would |
| D．need |
-I regret to say that I failed to rank first in the terminal exam.
-Come on, nobody __________ win all the time.
| A．should |
| B．must |
| C．shall |
| D．can |
-Sorry, Mum. I got a C in the exam.
-You __________ have done better.
| A．would |
| B．must |
| C．could |
| D．shall |
-Can you keep a secret?
-You __________ worry-I'm not going to mention it to anyone.
| A．needn't |
| B．couldn't |
| C．mustn't |
| D．won't |