--- Please us in the discussion.
--- I’d like to, but I’m busy at present.
A. attend；too
B. take part in；much
C. join；much too
D. join in；too much
网友回答
A. attend；too
B. take part in；much
(答案→)C. join；much too
D. join in；too much
解析：考查固定词组用法。Join sb in sth和某人一起做某事；take part in参加大型活动；join in参加小型的活动。too much修饰不可数名词；much too修饰形容词或者副词。句意：—请和我们一些讨论。—我想的，可是我现在实在是太忙了。故Ｃ正确。