—Can I pay by credit card?
—Yes, _________.
| A．with pleasure | B．take care | C．no problem | D．don’t mention it |
Smith has made _______ that we are all surprised .
| A．such much progress | B．so fine a progress |
| C．such a great progress as | D．so much progress |
We are going to have a barbecue _______ it rains .
| A．if not | B．when | C．except that | D．unless |
He wouldn’t give up smoking _______ his doctor told him it was a matter of life and death.
| A．except | B．after | C．until | D．in case |
I sent the letter early that morning _______ she got it that afternoon.
| A．in order that | B．so that | C．for purpose that | D．in order for |
______ did it , I didn’t.
| A．Who | B．Whoever | C．No matter whom | D．No matter when |