We shouldn't complain about being poor; many families are even ______.
| A．badly off | B．worse off | C．well off | D．better off |
I wish to thank Professor Smith,without___help I would never have got this far
| A．who |
| B．whose |
| C．whom |
| D．which |
That evening.___I will tell you more about later,I ended up working very late
| A．that |
| B．which |
| C．what |
| D．when |
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 |