30．The sign“THIS SIDE UP”is often seen________．

    A．in the street  B．on a box   C．at the police station   D．on a door

29．In our class________ of the students_______ girls．

    A．three fifths；are   B．three fifth；are    C．three fifths；is  D．three fifth；is

28．―I have watched the game．It is very interesting．

    ―Have you? When________ you________ it?

    A．have；watched  B．did；watch    C．will；watch   D．do；watch

27．The teacher told Lin Tao____late for school again.

    A．don’t be   B．not be      C．not to be       D．not to

26．Study hard，_________ you are sure to have a good result in the exam!

    A．but       B．and        C．for           D．or

25．Peter could hardly see the words on the blackboard，_______ ?

    A．did he    B．didn’t he    C．couldn’t he    D．could he

24．―_____ do you have an English party?

    ―Twice a year．

    A．How often    B．How long    C．how soon   D．When

23．Ask the naughty boys not to make any______ ．I can’t fall asleep．

    A．voice      B．sound      C．noise     D．singing

22．―Must I finish my homework today?

    ―No，you_______ ．You________ finish it tomorrow．

    A．mustn’t；can               B．needn’t；must

    C．don’t have to；may              D．can’t have to；may

21．Who taught________ Japanese?

    ―Nobody．I learn it________．

    A．your；myself  B．your；by myself    C．you；of my own   D．you；myself