Not too long ago, industries focused on （）

A:producing and selling goods B:the needs and wants of customers C:the selling of new products D:moving goods to the market

Everyone lives by selling something. In the light of this statement, teachers live by selling knowledge, philosophers by selling wisdom and priests by selling comfort.

哲学家靠卖智慧为生，牧师靠卖精神安慰为生

I need ________them ________these clothes.

A: to help，sell B: help，sell C: to help，selling D: help，selling

This kind of coat well.They are out.

A:Sells sold B:is sold sold C:sells selling D:is sold selling

______ dolls to children at McDonald’s isn’t gooD.

A: Selling B: Sell C: Sells D: To selling

The company in Hangzhou produced quantities of first-class silk, most of them ______ to EuropE.

A: selling B: sold C: were sold D: are selling

I went ______a balloon but I didn't see anyone _____ balloons.

A: to buy, to sell B: to buy, selling C: buying, selling D: buying, to sell

Believe it or not, in the United States, 40% of the toys _____ are for adults.

A:sold B:selling C:to sell D:to be selling