The old man keeps coughing________.I’m afraid you have to send him to hospital.
If you are asking the way, which would you NOT like to use?
Practise more,______ you will pass the coming exams.
There’s a wallet _____ on the ground. Whose is it?
My father has a habit of jogging _____ the Jinchuan River for an hour in the morning.
Walk _____ this street, then turn right________ the secod crossing.