You were silly __________ your car, otherwise it wouldn’t have been stolen.
| A．not locking | B．to not lock | C．not having locked | D．not to lock |
No sooner ________in the distance ______a storm began to pour.
| A．a thunder broke; when | B．a thunder had broken; than |
| C．had a thunder broken; than | D．did a thunder break; than |
The CDs are on sale！Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones |
It’s no use____ that you didn’t know the rules.
| A．you pretend | B．you to pretend | C．of you to pretend | D．your pretending |
. At a rough estimate（估计）, Nigeria is ____ Great Britain.
| A．three times the size as | B．the size three times of |
| C．three times the size of | D．three times as the size of |
--- This is the worst food I've ever tasted.
--- ____________.
| A．Don’t say that. | B．You can say that again! | C．I’m sure about it. | D．Yes, they are. |