This new kind of chemical will help keep the air, soil and water________ from pollution．

       A．empty                 B．loose                C．free              D．short

 You ________ worry about it , as everything has been settled now．

       A．shouldn’t          B．needn’t           C．can’t            D．mustn’t

 I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before．

       A．saw 　　        B．has seen 　　     C．had seen 　　     D．would see

 ________ worries me a lot is that I keep forgetting what I have just done．

       A．As                  B．What 　　        C．That              D．It

 Remember to ________ a good state of mind even if you should fail plenty of times．

       A．take up          B．brush up         C．get up           D．keep up

 Some classmates are against my plan while the majority are ________ it．

       A．in view of        B．in favor of          C．in honor of       D．in memory of

 After graduation from high school we will reach a point ________ we have to decide which university to attend．

       A．that               B．what             C．which            D．where

 What really ________ is not failure itself, but the attitude we have towards it．

       A．matters               B．applies               C．stresses               D．functions

 I have no ________ what is in fashion this summer．I bought this dress quite by accident．

       A．mind            B．opinion           C．idea                 D．thought

 -- Will you two go to the exhibition tomorrow?

       -- No．We're going shopping．________ at least I'm planning to．

       A．And              B．Or                 C．But              D．So