It is learned from the passage that ______.

He didn't book the tickets for the concert, otherwise we ___ a brilliant performance.

Having heard so much about Mr. Smith， they were _____ to meet him.

Although I told him to be careful over and over again, he never took any ______ of what I said.

He clearly remembers _____ by the window watching people outside rushing to their office.

You must have sent her off at the airport yesterday, ____ ?

According to the passage, which of the following statements is NOT true?

There are two major problems linked with atomic power plants, ____ one is related to nuclear waste.

It is time that the government ___ measures to deal with the haze problem.

The old man______ since he came into the hospital.

I am worried about my brother. I am not sure ___ he has arrived at the school or not.

I won't lend you my computer ___ you promise to take care of it.