——You didn’t wait for Mr. Black last night, did you?
——No, but we ____. He didn’t return home at all.
| A．couldn’t have | B．needn’t have |
| C．didn’t need to | D．should wait have |
The couple work in their garden every morning, ______ for a weight loss.
| A．hoping | B．hoped | C．to hope | D．hope |
— Is there a flight to London this evening?
— There ______be. I’ll phone the airport and find it out.
| A．must | B．would | C．might | D．can |
－ What gave him the chance to go to a college to go on with his studies ?
－______ a scholarship.
| A．To win | B．Winning | C．Having winned | D．Won |
Mr White keeps fit by ______ for half an hour every morning.
| A．working on | B．working out | C．working in | D．working off |
11. —How soon can you finish the large picture?
—It will be two months ______.
| A．since it has been finished | B．after it finishes |
| C．before it has finished | D．before it is finished |