11.because, because of.because是从属连词后跟从句,because of是介词，后跟名词或名词短语。

　　F:The game was canceled because of it was raining.

　　T:The game was canceled because of the rain.

　　F:We could not see because the poor lighting.

　　T:We could not see because the lighting was poor.

　　F:He can move the furniture easily because of he is strong.

　　T:He can move the furniture easily because of his strength.

　　12.beside, besides.beside 意为next to,besides意为in addition to.

　　F:Beside Tommy, Helen and I attended the concert.

　　T:Besides Tommy, Helen and I attended the concert.

　　F:He was sitting besides the pretty girl.

　　T:He was sitting beside the pretty girl.

　　F:We visited California beside Oregon.

　　T:We visited California besides Oregon.

　　--We visited California. Besides, we visited Oregon.

　　13.between, among. between 用于两个人或两件事物,among用于三个以上的人或物.

　　F:The law was debated between the senators, the representatives, and the judges.

　　T:The law was debated among the senators, the representatives, and the judges.

　　F:There is a dispute between the local union members.

　　T:There is a dispute among the local union members.

　　F:You must choose among the two plans.

　　T:You must choose between the two plans.

　　14.but, hardly, scarcely.这几个词带有否定意味，不要再与另外否定性的词连用。

　　F:I couldn’t hardly see him in the dark.

　　T:I could hardly see him in the dark.

　　F:She didn’t earn but thirty dollars last week.

　　T:She earned but thirty dollars last week.

　　F:He doesn’t spend scarcely any money on clothes.

　　T:He spends scarcely any money on clothes.

　　15.different from（不是 different than).

　　F:The result was much different than what I expected.

　　T:The result was much different from what T expected.

　　16.do, make.这两个词含义不同。

　　F:They did a peaceful agreement.

　　T:They made a peaceful agreement.

　　F:I never do fun of other people.

　　T:I never make fun of other people.

　　F:It’s time to do the sandwiches.

　　T:It’s time to make the sandwiches.

　　F:Rarely does he do a mistake.

　　T:Rarely does he make a mistake.