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 |
—What about playing football this afternoon, Sam?
—I would rather at home than football. It’s too hot outside.
| A．stay; playing | B．stay; play |
| C．to stay ; to play | D．to stay; playing |
The cleaners make a great contribution to _____ the city clean.
| A．kept | B．keeping | C．keep | D．be kept |
He is a writer _____ a singer.
| A．as long as | B．as well | C．as soon as | D．as well as |
She was heard _____ an English song in her home last night.
| A．sing | B．sang | C．to sing | D．singing |
Not only his parents but also his brother _____ to the Summer Palace. They haven’t been back.
| A．have been | B．have gone | C．has been | D．has gone |