Because the shop _______, all the T-shirts are sold at half price.
| A．has closed down | B．closed down |
| C．is closing down | D．had closed down |
Without your help, I _____such a breakthrough in this project.
| A．hadn't made | B．didn't make |
| C．won't have made | D．wouldn't have made |
You may not control all the events______happen to you, but you can decide not to be reduced by them.
| A．which | B．when | C．that | D．as |
--- Has your wife come back from Africa?
---Yes, but she _____here for only one month before she went on another expedition to Cuba
| A．has been | B．was | C．will be | D．would be |
The young writer said he should ________his success ________his teacher's encouragement.
| A．thank; for | B．devote; to | C．owe; to | D．express; of |
—This is Steve speaking. Is that Mr. Smith?
—________， please. He is coming.
| A．You're welcome | B．Hold on |
| C．Never mind | D．Come on |