Please don’t phone him between 1 and 3 p.m. tomorrow. He _________ a lecture then.

The salespeople said they hadn’t overcharged customers, but the police’s report showed that the practice did ______.

It is reported that China will not buy the Euro debt until some thorough research ______.

—Larry, I will call you at 6 o’clock tomorrow morning.—Thanks, Mum. But it’s too early. I _____then.

We have done things we ought not to have done and_____ undone things we ought to have done.