The price of the shoes___than before.I can't afford two pairs.A.is more expensive B.is much higheC.is much cheaper D.is much lowerThe price of sth.后面是不是既可以用expensive/cheap又可以用high/low?

选择D
价格的高低只能用low或high,不能用cheap或expensive
cheap：形容词 a.
1.便宜的,价廉的
Eggs are very cheap now.
现在蛋很便宜.
2.劣质的,廉价品的
The coat may be expensive but looks cheap.
那件大衣也许很贵,但是看起来很粗劣.
3.低级的,粗鄙的;虚伪的
4.容易得到的,不费力的
Talk is cheap.
说空话是不费力的.
low：形容词 a.
1.低的,矮的;浅的
The office is in a low building.
办公室设在一幢低矮的房子里.
2.(在量、度、价值等方面)少的,小的,低的
The temperature is very low today.
今天气温很低.
3.不足的,快枯竭的[F][(+on)]
I'm low on cash right now.
我眼下现金不足.
4.低声的,低音的
She said it in a very low voice.
她很低声地讲的这话.
5.没有精神的,情绪低落的
I've been feeling low all week.
我整个星期都情绪不高.
6.贬的
He has a very low opinion of that book.
他认为那本书没有价值.
7.粗俗的;卑劣的
He played a low trick.
他玩弄卑鄙的伎俩.
8.地位低的,卑微的
He is a man of low birth.
他出身低微.
9.营养差的;体质弱的
He is very low with typhoid.
他因患伤寒身体很差.
所以说某些商品便宜 而不是某些商品的价钱便宜 要说价钱低