I have written to him because he phoned me shortly afterwards.
| A．ought to | B．must | C．couldn’t | D．needn’t |
We were just about ready to leave _____ it started to snow.
| A．when | B．before | C．after | D．since |
_____ the government agrees to give extra money , the theatre will have to close.
| A．Until | B．Unless | C．Since | D．While |
It shocked me to see ______ my neighbors treated their children.
| A．why | B．whether | C．how | D．since |
Will you deliver, _____ do I have to come to the shop to collect the goods?
| A．and | B．or | C．so | D．then |
I firmly believe _____ he said at the meeting was right.
| A．that | B．which | C．that what | D．what that |