It ______ the workers about 20 months to build the Huhang highspeed railway.
| A．took | B．spent |
| C．cost | D．paid |
There are some dangerous fish in the river, and I’ve warned Jack______ here.
| A．not to swim | B．to not swim |
| C．swim not to | D．to swim not to |
The old man _____live with his wife, but now he ______alone after she died.
| A．used to, is used to live |
| B．used to, is used to living |
| C．was used to , used to live |
| D．did used to , is use to live |
I don’t dare ______ in front of the class
.
| A．sing | B．to sing | C．sings | D．singing |
I think _____ should not be allowed to drive.
| A．sixteen years old | B．sixteen-year-old |
| C．sixteen –year-olds | D．sixteen-years-old |
----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 |