He’s already back toAustralia,__________—____________. He is on a visit toShanghai.

Our school _________ be an old shoe factory, now we ___________studying here. It is a good place to study.

21 Whether you believe what he said_________ what he does in the future

The leading actor felt ________ when he saw a lot of people cheering him.

While the computer becomes more and morepowerful, I don’t think it will completely ___________ teachers in class.