1．(四川卷)You must be careful with the camera. It costs!
2．(陕西卷)You may feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.
3．(2017·天津卷)—Do you have Betty’s phone number?
—Yes. Otherwise, I wouldn’t have been able to reach her yesterday.
4．(2019·湖南雅礼中学高二月考)The traffic is heavy these days. I might arrive a bit late, so could you save me a place?
