Can I ask you to china before?
| A．What ;have been. | B．if ;have been. | C． how, have gone . | D．if ; have gone. |
Although he is really heavy,he still runs fast.
| A．/ | B．but | C．and | D．so |
It takes about twelve minutesand five minutes by bike.
| A．walking | B．walk | C．to walk | D．walking |
Sheuntil his mother got back home.That’s why she was so tired.
| A．didn’t sleep | B．doesn’t sleep | C．slept | D．sleeped |
I can’t find. It’s rather boring.
| A．something interesting | B．nothing interesting |
| C．interesting nothing | D．anything interesting |
I forgotthe key with me,so I can not open the door.
| A．took | B．taking | C．to take | D．bringing |