问题补充:
You to the party if you e so busy.
A. don need come
B. not need coming
C. needn come
D. need not to come
答案:
A. don need come
B. not need coming
(答案→)C. needn come
D. need not to come
解析:句意:如果你那么忙的话,你不必去公园。need在肯定句中是实意动词,在疑问句和否定句中是情态动词。该句是否定句,故选C。