10)   A search     B wanting        C looking       D demanding

11)   A conquer    B conquering     C defeat        D defeating

12)   A settled in   B settled         C settled down   D settled to

13)   A mix with B mixed together   C mixed with    D mix together

14)   A on time    B from time      C by time       D in time

15)   A give in    B gave in         C gave up      D give up

16)   A branch    B wave          C group         D kind

17)   A preserve   B reserve        C preserved       D reserved

18)   A special    B particular      C distinguished    D distinctive

19)   A as well as B as good as      C as well           D as good

20)   A them      B which         C the three branches D that

参考答案：

1--5ACBDA  
6--10DBACA 
11--15BACDC 
16--20 BCDAB