—Do you mind if I sit here?—___________. It’s for Miss. Wood.
—How long have you ____ the motorbike? —For about two weeks.
---_______ the Internet ___________ in your school? ---Yes, but the computer in our office has broken down.
— Could you tell me _____________ last night? — Er, I was watching TV at home.
--- Whose shirt is this? --- It _______ be Li Lei’s. It is too big for him.
I saw many ________ eating grass on the hill.