12.We have socks ____ all colours ____ 5 dollars each . A. a
3个回答

12.B

“in + 颜色/color(s)”为固定搭配,句中做后置定语,修饰socks;

表示“以...的价格”的介词一般用at,再如:at the price of...

14.C

for oneself是固定短语,意思是“亲自/为自己”.

16.B

each other意思是“互相/相互”,句意不通,排除;

every只能做形容词,只能修饰名词做定语或构成复合词everyone等.

each可做副词,意思是“各自”,在句中做状语,为正解.