As a result of destroying the forests, large ____ of desert ____ covered the land.
| A．number; has | B．quantities; has | C．number; have | D．quantities; have |
He was told that it would be at least three years ____ he could recover and return to work.
| A．when | B．before |
| C．since | D．that |
He is a person exact in time and very careful, and he never _______ any little items.
| A．notices | B．deletes |
| C．undertakes | D．overlooks |
--- How do you know he is from Scotland?
--- Well, his special accent _________ when he spoke.
| A．appeared | B．showed |
| C．betrayed | D．displayed |
As party members, we should always _________ the interests of the people in mind.
| A．place | B．bear |
| C．show | D．drop |
Teaching is a sort of work that ___ a high level of patience, determination and devotion.
| A．calls for | B．makes up |
| C．lies in | D．stands for |