问题补充：
– What are doing over there?
-- I am eating my meal. Would you come?
A. to join
B. and join me
C. joining
D. to take part in
答案：
A. to join
(答案→)B. and join me
C. joining
D. to take part in
解析：本题考查动词辨析。Join表示加入某一组织或团体，并成为其中的一员；take part in参加活动；join sb (in doing)加入某人的活动。句意：——你在那儿做什么呢？——我正在吃饭，你来和我一起吃么？
