Look at that girl. Is it Susan?–No, it _______ be her. She has gone back to her home town .

I like this kind of music that I can dance ______. [ ]

Don’t panic; just ______ the rock and I’ll come and fetch you down.

The teacher told the students any food into the computer room.

Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.