. With examinations coming immediately, you ________ the Internet last night.
| A．mustn’t surf | B．shouldn’t surf |
| C．couldn’t have surfed | D．shouldn’t have surfed |
you have tried yourself can you learn what an exciting game it is!
| A．Only if | B．Even if | C．If only | D．As if |
We allowin the woods but anyone is forbidden here.
| A．to camp; to smoke | B．camping; smoking |
| C．to camp; smoking | D．camping; to smoke |
Doctor Wangat seven o’clock for the conference, but she didn’t turn up.
| A．should have arrived | B．should arrive |
| C．should be arrived | D．should be arriving |
food and vegetables southern China where people have being suffered from snow storms since mid-January.
| A．Large quantities of; are sent to |
| B．A large quantity of; are sent to |
| C．Plenty of; is sent to |
| D．A great deal of; are sent to |
A new library downtown. They hope to complete it by the end of this year.
| A．is being built | B．has been built |
| C．will be built | D．is building |