3. Don't be joking. It's time to____________ your business.

A. set out　　 B. take up　　 C. go on　　 D. get down

2. It may not rain, but you had better take an umbrella__________.

A. in case　　 B. as well　　 C. as least　　 D. in need

1. I'd like to be a professional singer, but I don't think I've got__________.

A. a good voice enough　　　　　　 B. a good enough voice

C. a voice enough good　　　　　　 D. an enough good voice

30．B本题是副词位置和动词时态的考查。be always doing表示总是干什么

29．B本题是固定用法的考查。too／quite…+形容词+a／an+名词是固定的结构用法。

28．C本题是倒装句的考查。注意little是否定词，所以反意疑问用肯定。

27．C本题是省略的使用。考生可以恢复原句：Some of the suspects(who were)questioned refused to answer and kept their mouths shut．

26．C本题考查状语从句的知识。where引导一个状语从句。

25．A本题是副词用法的考查。句子的意思是：“你和吉姆住得近吗?”“不，他住在城市的别处。”故A项符合题意。

24．C本题考查动词的用法。首先理解句子的意思：“漫长的旅途中，彼特被证明是一个很有趣的导游。我们都玩得很开心。”prove后接to be+形容词，to be可以省略。