The medicine will make you sleepy. You _______until this afternoon. 
| A．would better not drive | B．would better not to drive |
| C．had better not drive | D．had better not to drive |
No government can justly claim authority ______ it is based on the will of the people．
| A．unless | B．after | C．so that | D．while |
Tom ______ with his grandmother for eight years，but now he is living by himself.
| A．lives | B．1ived | C．has lived | D．has been living |
---May I try the shoes on?
---______, but I think they will be too small for you.
| A．As you like | B．It is a pleasure | C．By all means | D．Believe it or not |
I wondered ______ they had raised so much money on their own to help youngsters in need.
| A．what | B．that | C．how | D．why |
If George had followed his father’s advice, he ________ a lawyer now.
| A．is | B．would be | C．has been | D．would have been |