—Mr. Smith, I wonder if I could take Friday off?
— ? It’s a bit difficult with so many people away on holiday, you know.
| A．How come | B．Is it necessary |
| C．Where are you going | D．Do you really have to |
Don't you think it a pity that John ______ have behaved roughly toward us?
| A．should | B．would | C．could | D．might |
The well-known director, two of________ films won Oscar awards, is said to have retired.
| A．which | B．whom | C．whose | D．his |
Whether you believe it or not, it was________ caused the serious accident.
| A．because of your carelessness that | B．because you were careless |
| C．you were careless that | D．your being carelessness that |
We paid ________ cash in the hope that we can get a 15% _________.
| A．by , count | B．with , account | C．in , discount | D．in , charge |
He is such a clever student _________ everyone likes.
| A．that | B．who | C．whom. | D．as |