Question

（2007，云南，37）The twins are talking about the book Who Moved My Cheese. It's fun to ________ them.

1. A.
   join
2. B.
   join in
3. C.
   take part in
4. D.
   enter

Answer 1

A
考查“join”与“take part in”的区别。join指加入某人群或某个组织。take part in指参加某项活动。本题指加入人群，是及物动词，故选A。