The art club is for members only. You can’t go in _____ you are a member.

Cancer is proved to be second only ________ heart disease as a cause of death

The shy girl felt ________ and uncomfortable when she couldn’t answer her teacher’s questions.

It’s so careless of you to make a spelling mistake again.–Sorry. I couldn’t remember .

The students look very tired after the sports meeting.—We’d better make them ____a rest in the classroom.