---I called you last night, but nobody answered.
---Oh, I usually___off my cellphone by 9:00 p.m.
| A．switched | B．have switched | C．switch | D．had switched |
There was never any time for Kate to feel lonely, _____ she was an only child.
| A．ever since | B．now that | C．even though | D．even as |
–No.3 player runs quite fast. --Yes, but there’s no doubt _____ Liu Xiang will win in the end.
| A．that | B．whether | C．if | D．when |
Are you ________ of the mistakes you made in your final English test?
| A．awared | B．unforgettable | C．awaring | D．aware |
Some of this heat near the earth’s surface _________ make electricity.
| A．is used for | B．is used to | C．gets used to | D．used to |
The cunning fox tricked the little rabbit _________ picking up the carrots in the field and then caught it.
| A．on | B．into | C．along | D．to |