Think twice before you others’ cheating in the exam, because you are not going to help butindeed to kill their motivation for study.[ ]

Peter’s jacket looked just the same as Jack’s, but it cost _____ his.

The moment she entered the hall, she felt rather ______ as she was the only person that wore sportswear at the party

_________ are you going to visit?——–I am going to visit the Palace Museum

Nowadays scientists are working hard to find out ______ to do with air pollution.