—How is the debate of your essay?—It ____ well, but I ____one of the key points.

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

He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.

He ______ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.

— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.—I can’t agree with you more.There ________ be errors for every single step.