You ___ hand it in at once, you may hand it in tomorrow.

You ___ hand it in at once, you may hand it in tomorrow.
A、needn't
B、may not
C、can't
D、must not
【正确答案】:A
【题目解析】:A. needn't 不需要。B, may not是委婉地说不用这么做,很客气很礼貌.有种为他人着想的含义在里面,C. can't 是”不能“,在表达推测时,是“不可能”,D. must 表推测时,没有否定形式,must not表示的是禁止。原题意为:你现在不需要马上上交,你可以明天再交。