These boys had problems________to the top of that mountain．
| A．getting |
| B．to getting |
| C．get |
| D．to get |
– Do you like living in your hometown?
– Yes. I’ll ________ to work there after finishing school abroad（国外）.
A. return B. stop C. remain
– Why do you _______ the radio?
– I’m afraid of waking up the baby.
A. turn up B. turn on C. turn down
He spent little time on study, so it didn’t surprise me that he _______ the exam.
A. took B. passed C. failed
Many kinds of animals are ______. We must do something to save them.
A. on holiday B. in danger C. on show
Some people never know what they need ______ they lose it.
A. until B. as C. after