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.