The radio set __ _ last week has been out of order.
| A．I bought | B．I bought it | C．which I bought it | D．what I bought |
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 |
He imagines that people don’t like him, _____ they do.
| A．and | B．then |
| C．so | D．but |