—Must I return the book this week?
— No, you ____. You can ____ it for 20 days.
A．mustn't: keep B．needn't; borrow
C．needn't; keep D．mustn't; borrow
—Who is ___ English teacher?
—Well, it's Mrs. Green. She teaches ____ English very well.
A．you; we B．you; ours C．your; us D．your; our
–Would you like some coffee or tea?
–_____. Water is OK.
A．Both B．Either C．Neither D．All
These new clothes _____ to the children in the mountain villages tomorrow.
A．are sent B．were sent C．has been sent D．will be sent
Paul’s parents were worried that he ____ too much time chatting on line.
A．spent B．cost C．paid D．took
We must do something to protect the earth, ____we will lose our home.
A．and B．or C．so D．but
