If you ____sightseeing with them tomorrow,you should finish your work this eveing.

If you ____sightseeing with them tomorrow,you should finish your work this eveing.
A） going B) go C)will go D)want
A:Must I only eat vegetable from now on?
B：No,you ____.But don't eat too much meat.
A)mustn't B)needn't C)can't D)shouldn't
Bill's father finished ______the book last week.
A) write B)wrote C)to write D)writing