－Who are you waiting for?
－___________ us a lecture this afternoon.

________about her son’s future, the mother has been sleeping very badly these months.

Tom, look at your shirt! It requires ________.

_____of danger in the street at night, she had to go home, with a friend_____ her.

Not______ with the quality of your goods, I will certainly not advise others to buy them.

______ by a crowd of fans, he couldn’t move a bit.

We are kept ____ what is happening in the world by reading newspapers and watching TV.

After the earthquake，the poor girl was found ________under the ruins of a church.

The soldier narrowly escaped ________in the fierce battle.

The new model ________ the market in three months, all the shops are now selling the old model at a discount.