, the forest fire would have been discovered much earlier.
| A．But for their care | B．Had they been more careful |
| C．Without their care | D．If they were careful |
—I’ll come to see your performance at 9:00 tomorrow evening.
—But by then my performance will have ended and I ______ reporters in the meeting room at that time.
| A．will meet | B．will be meeting | C．are going to meet | D．am meeting |
_______, my heart ______.
| A．On hearing the sad news, sank | B．Hearing the sad news, dropped |
| C．At the sad news, fell | D．When I heard the sad news, sank |
Mr. Smith suggested the problem worth paying attention ______ at the meeting.
| A．to be discussed | B．to being discussed | C．being discussed | D．be discussed |
The advice is of great ________ to our work. We all think it ________.
| A．uses, good | B．useless, bad | C．use, good | D．useful, fine |
—The English exam is not difficult, is it?
—______. Even Tom ______ to the top students failed in it.
| A．Yes; belongs | B．No; belonged | C．Yes; belonging | D．No; belonging |