—Henry,you________tell the teacher if you want to go out of the classroom.—Sorry,sir.A.are supposed toB.are surprised toC.are afraid to
If we sit by window of the train, we'll have better view.
— I’ve decided to give up my job, Mum. — ___________ You’d better think twice.
I found ___________ difficult to make sounds like birds.
— Isn’t that book so boring? —___________. You can know a lot about wild animals.
Tell Tom ___________ speak when watching the birds.