问题

Have you told him we have changed the plan?I _____ have, but I haven’t done it yet.

A:must
B:ought to
C:needn’t
D:can’t

正确答案是：

同类题型

__________ in looking after three children athome, she no longer has time to enjoy the various activities in the club

Outside，the wind to pick up，and the rain started coming down even harder.

many extra planes and trains are usedto carry passengers, traffic tools are still ______needed during “May Day”holidays.

Can you come to my party on Saturday afternoon—.I’llhave to help my parents.

45. They are ready to fight the enemy _____the last drop of their _____.