The lady treats the boy next door well as if he ____her own son.

You are too self-centered. It’s high time you_____ that you are not the most important person in theworld, Edgar said to his boss angrily.

The teacher suggested that they_____ in the exercise at once.

I'd play football with you now if I_________ten years younger.

The room is in a terrible mess; it____ cleaned.

With all your brains you（） the math test, but you failed. You were too careless.

（）five minutes earlier, you would not have missed the last train for Shanghai, but you were late.

You have stayed at home for two days. It’s time you ________ for a walk.

__________ yesterday, you would have met Professor Jones. But now he has left for London.

I would have told him about the change of time for the class, ________to class last time.