On seeing Jay Chow appear on the stage, the audience ______ cheering.
| A．burst into | B．burst out | C．burst in | D．burst on |
It is by no means clear___the president can do to end the strike
| A．how |
| B．which |
| C．that |
| D．what |
If we___adequate preparations,the conference wouldn’t have been so successful
| A．haven’t offer |
| B．wouldn’t offer |
| C．hasn’t offered |
| D．hadn’t offered |
We would have called a taxi yesterday if Harold___us a ride home
| A．didn’t offer |
| B．wouldn’t offer |
| C．hasn’t offered |
| D．hadn’t offered |
It’s quite warm here;we___turn the heating on yet
| A．couldn’t |
| B．mustn’t |
| C．needn’t |
| D．wouldn’t |
I’m going to Europe on vacation together with John if I___find the money
| A．can |
| B．might |
| C．would |
| D．need |