【单选题】
3.Many American people lost their jobs in the economic_________of 1929.
【单选题】
Why has jogging become so popular? Because jogging is a very_________ exercise.
【单选题】
EBay, Amazon and WalMart are popular websites ___ people can sell goods to each other.
【单选题】
The popular singer who had been praised very highly____ to be a great disappointment.
【单选题】
Mr. Zhang, _______ we have learned a lot, is very popular among us.
【单选题】
We often compare children ______ flowers.
【单选题】
She _________ the children not to make any noise.
【单选题】
There are many children()behaviour is generally unacceptable.
【单选题】
11.The children were ______their father.
【单选题】
It turned out that the children were not _____for the accident.