You will be late ______ you leave immediately.
| A．unless | B．until | C．if | D．or |
Nobody believed his reason for being absent from the class ________ he had to meet his uncle at the airport.
| A．why | B．that |
| C．where | D．because |
With his work completed，the businessman stepped back to his seat，feeling pleased ________ he was a man of action.
| A．which | B．that |
| C．what | D．whether |
The reason ________ he didn’t come is ________ he was ill.
| A．why；that | B．that；why |
| C．why；because | D．why；what |
When asked ________ they needed most，the kids said they wanted to feel important and loved.
| A．what | B．why |
| C．whom | D．which |
There is much chance ________ Bill will recover from his injury in time for the race.
| A．that | B．which |
| C．until | D．if |