— Would you mind my taking this seat? — ______. A.Sorry, I can’t B.No,not at all C.It’s a pleasure
_________ two soccer games in our school next week .
I am very tired because I up late.
You will find you can enjoy so many books if you English.
Don’t come into the lab ________ you are asked to.
My uncle has been taught in this school _______ he was twenty years old.