He ________ to school by bike, but now he ________ to school on foot.
| A．used to go; gets used to go |
| B．gets used to going; used to go |
| C．used to go; gets used to going |
| D．used to going; gets used to go |
Man is short ________ water mow. So something must be done to stop people _________ wasting it.
A. of; from B. for; from C. for; to
We should have ________ in ourselves We will make it if we try our best.
A. success B. confidence C. progress
---What is that? Is it an English learning machine?
---Yes. It ________ us to improve our English.
A. is used for helping B. used to help C. used to helping
Yesterday morning, when I got home, my son ________.
A. slept B. was sleeping C. is sleeping
---Where would you like to go for a vacation?
---I’d like to go ________.
A. somewhere interesting B. interesting somewhere C. interesting anywhere