What impressed me most was that they never ________.
| A．lost hearts | B．lost their heart |
| C．lost heart | D．lost their hearts |
Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.
| A．has delivered | B．has been delivering | C．will be delivering | D．delivers |
If you are not satisfied with the price _______, we can still discuss it.
| A．being offered | B．to offer | C．offering | D．offered |
Drunk driving used to occur _______, but now it is under control.
| A．frequently | B．generally | C．practically | D．gradually |
Cooking calls for patience and time but it is enjoyable experience.
| A．a; the | B．不填; an | C．the; an | D．a; 不填 |
Was it because he was ill ____ he asked for leave?
| A．that | B．and | C．that’s | D．so |