________ in a long queue, we waited for the store to open to buy a New iPad .
I told you the other day that Tom had agreed with your idea, ________?
---Let’s have a further talk. ---Sorry, I don’t have time. My report is due on Friday and I am in a race ________ time.
---She has done rather well in Independent Enrollment(自主招生) exams. ---________.she seems to be very happy and relaxed.
It is generally accepted that swimming ________ good health.
________atmospheric haze(雾霾天气) or smog will continue makes the public worried.