Question

【题目】—Must I come to the party before 6 o'clock?
—No, you _____. You come a little later.
A.mustn't, may
B.needn't, may
C.don't have to, must

Answer 1

【答案】B
【解析】句意：—我必须参加聚会六点之前？—不，不必。你可以晚一点来。不必,用needn't. may, 可以的意思。故选B。