—May I smoke here,please?—I am afraid you .This is a non-smoking area.
Please keep quiet, everybody! I have important to tell you.
Look, the man under the tree ________ our maths teacher Mr. Wang.
Look at the beautiful shirt. _______ colour is _______ favourite.
______ the answers are right, but ______ are wrong.
There _____________ two football matches at school next month.