— Could you meet me at the airport?
— I'd like to，but I'm a fraid I ______ a very important meeting when you return.
| A．am attending | B．was attending |
| C．will be attending | D．will have attended |
When people want to relax themselves,they prefer___TV or listen to music rather than___newspaper
| A．watching;read |
| B．watching;to read |
| C．to watch;read |
| D．to watch;reading |
Were it not for the snowy weather,we___all right
| A．would be |
| B．would have been |
| C．were |
| D．may be |
Thank you for giving me a hand.I___in the experiment without your valuable help
| A．have failed |
| B．will fail |
| C．would have failed |
| D．must have failed |
___the heavy rain,we___the town
| A．But for;should have reached |
| B．Because of;would have reached |
| C．During the period of;would reach |
| D．In spite of;should have reached |
He was very busy yesterday;otherwise he___to the meeting
| A．would come |
| B．came |
| C．would have come |
| D．had come |