――Tomorrow is _______ Day.
――I suggest you buy your teachers some presents. What do you think?
| A．Teacher | B．Teachers |
| C．Teacher’s | D．Teachers’ |
Our teacher warned us ______ play tricks _____ others.
A. to; at B. not to; on C. not to; to
We must find a place _______.
A. to live B. living C. to live in
I gave her some advice, but I don’t know ______ she’ll accept it.
A. that B. whether C. Which
—I hear they took ____ active part in the school sports meeting.
—_____ good boys they are!
A.a; What a B. an; How C. an; What
—I’m in Class 4. Are you in Class 4, ____? —Yes, I am.
| A．to | B．too | C．two | D．tu |