She must have seen the blind man many times , ____ she ?
| A．haven''t | B．didn''t | C．hasn''t | D．hadn''t |
“I hope you don’t mind my pointing out your mistake.” “____”
| A．Of course | B．Certainly not | C．You’re very welcome | D．Yes,. I don’t |
Talking about the future career, I’d prefer ___ a teacher ___ be a secretary.
| A．being… to | B．to be…to | C．to be…rather than | D．being…more than |
I can’t ___ him doing a thing like that.
| A．believe | B．see | C．think | D．imagine |
Was it near the bridge ____ the car accident took place?
| A．where | B．that | C．when | D．at which |
___in the air, this kind of steel become harder and harder.
| A．Cooling | B．Having cooled | C．Being cooled | D．Cooled |