–Mr. Wang, can I finish my homework tomorrow?   --Sorry, you ________. 

Very loud noises       make people ill. So we       make great noise.

You _______ have told her the bad news last night, because she wouldn’t handle it peacefully.

When I was a child, my father ______ read me a story at night before bedtime．

— Can I go to the movie, Mum?— Certainly. But you _______ be back by ten o’clock.