Can we ________ in the classroom?
You don’t look . You’d better go to see the doctor.
Computers are so popular in our country that every pupil knows _____ e-mails.
—How do you like the movie?— .
— Where is my pen ? Have you seen ____?— Oh, sorry. I have taken ____ by mistake.
—Hello, may I speak to Mr Green, please?—Sorry. He a meeting. Can you call him later?