—The land in the southwest of China is in great need of .
—Yes, it hasn’t rained for a long time there.
A、people B、food C、water
Our team tried our best, ________ we failed the match at last.
| A．but | B．and | C．or | D．while |
Mr. Li will go to Guangzhou by air. His workmates are ______ at the airport.
| A．turning him off | B．seeing him off | C．taking him off | D．putting him off |
The computerin 1946 in America.
| A．is invented | B．was invented | C．invents | D．invented |
—Why are you so happy today?
—Because I to London with my parents tomorrow.
| A．fly | B．am flying | C．have flown | D．flew |
The policeman told us __________ the street when the traffic light was red.
| A．not cross | B．didn’t cross | C．not crossing | D．not to cross |