Our success depends ______ everyone works hard or not.
| A．upon whether | B．on that |
| C．in which | D．on why |
Ladies and gentlemen, please fasten your seat belts. The plane ____________.
| A．takes off | B．is taking off |
| C．has taken off | D．took off |
It was not until midnight ______ the noise of the street stopped.
| A．that | B．this |
| C．since | D．at which |
I’d prefer ______ in the office rather than _____ at home watching TV.
| A．working; staying | B．working; stay |
| C．to work; stay | D．work; to stay |
I have never dreamed of ______such a beautiful place in the world.
| A．there is | B．there to be |
| C．there being | D．having |
The hunter insisted that he _____ a tiger and that a searching team ______ to hunt for it.
| A．has seen; be set up |
| B．had seen; be set up |
| C．saw; would be set up |
| D．should see; should be set up |