--- Mum, I am feeling tired and sleepy now.
--- You so late last night.
| A．couldn’t have stayed up | B．mustn’t have stayed up |
| C．shouldn’t have stayed up | D．needn’t have stayed up |
—You look so worried.What’s the matter?
—I don’t know________these boring problems.
| A．what to deal with | B．how to do with |
| C．what can I do with | D．how to deal with |
—May I have some more coffee，please?
—I’m sorry，but there doesn’t seem to be________．
| A．left any | B．any left |
| C．leaving any | D．any leaving |
I agree with most of what you said，but I don’t agree with________．
| A．anything | B．something |
| C．everything | D．nothing |
We must keep a positive attitude toward the future______we may encounter some difficulties.
| A．however | B．as if |
| C．even if | D．since |
The wrong you’ve done him is terrible，________you should make an apology to him，I think.
| A．for whom | B．to which |
| C．for which | D．to whom |