精选优质文档-倾情为你奉上3500词汇练习题21. 词汇语法1) Is this course rather difficult?Yes. Thats why I _ it.AleftB missed C abandoned D abolish 2) The apartment caught fire last night. Fortunately, most of the people there _ escape. A. could B. tried to C. had meant to D. were able to3) Slavery was _ in the U.S. in the 19th century, and slaves were given equal rights. A. absorbed B. abused C. abolished D. adopted4) Id like to buy a house-
