—Have you written anything on Chinese traditional medicine so far?— _________, but I have a plan for it.

It ___________last night, for the ground is wet outside.

 ---Must I be back home before 6 o’clock? ---No, you ____. But don’t be too late.

—Do you think the rain will affect the football match?—The players are used to such rainy weather, so it ______ make any difference to them.

—Must I go to the shop with you，Mum?—Err... I can make it myself，Mike. You         go with me.