题目内容
用本单元出现的短语填空
If you want to ________ _________ ________, you should keep on trying．
Who will ________ ________ ________ your class when your head teacher is on business?
The police warned the people not to ________ the accident site．
Though they are twins, they have little ________．
The invention of computers _______ _______ ________ ________ our daily life．
It is reported that the case ________ _________ _________ _________ ________ one of the clerks in this company．
