问题
选择题
You ________ to my birthday party if you're so busy.[ ]
A. don't need come
B. not need coming
C. needn't come
D. need not to come
答案
答案：C
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You ________ to my birthday party if you're so busy.[ ]
A. don't need come
B. not need coming
C. needn't come
D. need not to come
答案：C