If I long enough to have a job, I would choose to be a doctor, those AIDS patients.
——Would you mind if I keep the door open? ——____________.
In the north people sometimes tie straw ropes (草绳) round the trees in winter to ______ them from the cold.
It’s time that you __________ the whole book.
When will you ___________ the entrance examinations, next June or next July ?
If it is quite ___________ to you, I will visit you next Tuesday.