1 . They help the body ________ (防御) itself against some kinds of infections. (根据汉语提示单词拼写)

2 . It was in September, 2013 _____ I studied in the UK _____ I met and fell in love with my wife.

A．when; that

B．in which; where

C．when; where

D．that: where

3 . Though ________ (attack) with cancer, he still keeps optimistic. (所给词的适当形式填空)

4 . Only when I had another failure in my job-seeking ____ I realize knowledge is valuable. (用适当的词填空)

5 . _______ can be omitted to avoid repetition in the sentence “①If ②it is necessary, I’ll finish my report on American poetry ③as soon as ④it is possible.”

A．①③

B．①④

C．②④

D．①③

6 . Although ______(分析) carefully, the mystery remains unsolved.(根据汉语提示单词拼写)

7 . He sat in silence, and said one or two words when ________(speak) to. （所给词的适当形式填空）

8 . Was it in the village ______ we used to live in ______ the accident happened?

A．that; where

B．which; that

C．where; that

D．which; where

9 . Children, when ________ by their parents, are allowed to enter the stadium.

A．accompany

B．accompanied

C．accompanying

D．to be accompanied

10 . Children, when ________ (陪伴) by their parents, are allowed to enter the stadium. (根据汉语提示单词拼写)