[答案]　applied

　　10．The gathering will be __________ (formal), so you needn't dress up.

　　[答案]　informal

　　Ⅱ.选词填空

　　1.

　　①We're going to ____________ by the rest of the world if we don't do all we can to catch up.

　　②My aunt is ____________ Rio at eleven o'clock tomorrow morning.

　　③The printer has ____________ two lines from this paragraph.

　　[答案]　①be left behind　②leaving for　③left out

　　2.

　　①The boy ____________ something was wrong.

　　②____________， nobody has done anything about it.

　　③Suddenly they ____________ people looking at them.

　　[答案]　①was aware that　②As far as I'm aware

　　③were aware of

　　Ⅲ.单句改错

　　1．Lacking of money, it remains to be seen whether we can put the idea into practice.____________

　　[答案]　去掉of

　　2．After class, the teacher demanded an explanation for Li Ming's absence in class.____________

[答案]　in→from