I don’t know whether you happen ____ that he has been away for two months．
| A．to be heard | B．to be hearing | C．to hear | D．to have heard |
15. Three quarters of the land here _____ wet land, an ideal place for migrating birds.
| A．are | B．is | C．have been | D．Being |
14. After a _____ walk, she couldn’t move forwards any more.
| A．15 minutes | B．15-minutes | C．15-minute | D．15 minute |
13. The British Isles are a group of islands that lie_____ the west coast of Europe, and the island justBritain is called Ireland.
| A．off; in the west of | B．on; on the west of | C．on; to the west of | D．off; west of |
12. Most American cities are relatively small _____ population when compared with Shanghai and Beijing.
| A．as well as | B．by means of | C．except for | D．in terms of |
10. ----What’s that noise?
----Oh, I forgot to tell you. The new machine _____.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |