--May I turn on the TV, Mum? I finish my homework. ---_________.
– I can’t give up smoking, doctor.– For your health, I’m afraid you _______.A. may B. can C. have to
– 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