The bank could us with $100,000 for the house．Why don’t we buy it?
| A．show | B．offer | C．provide | D．solve |
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
| A．of; at | B．by; in | C．of; on | D．on; at |
---I’m going out tonight.
---Well, I’d rather you ______.
| A．not | B．aren’t | C．didn’t | D．won’t |
Bitten twice, the postman refused to ______ our letters unless we changed our dog.
| A．deserve | B．deliver | C．expand | D．direct |
______ to go abroad alone is what worries me most.
| A．The boy not allowing |
| B．The boy not being allowed |
| C．The boy’s being not allowed |
| D．The boy’s not being allowed |
When I said someone was stupid, I didn’t ______ you.
| A．stick to | B．refer to |
| C．lead to | D．devote to |