The experiment shows that proper amounts of exercise, if regularly, can improve
our health.
| A．being carried out | B．carrying out |
| C．carried out | D．to carry out |
| A．before long | B．long before | C．before soon | D．soon before |
– ________. The good news will be on in a few minutes.
| A．Of course not. | B．I’m afraid I do. |
| C．Why not? | D．Yes, just go ahead. |
15. A world-famous ballet company’s 42-year absence from Beijing will end it brings a new production to the stage this week.
| A．since | B．when | C．unless | D．until |
14．After a short rest, he came back to he had stopped and continued reading.
| A．where | B．which | C．in which | D．that |
13. After working hard for many years, .
| A．his dream was realized | B．his dream came true |
| C．he came true his dream | D．he realized his dream |