精选优质文档-倾情为你奉上普通专升本考试英语复习资料语法练习语法测试1. When autumn comes， the _ of trees begin to fall。A. leafs B. leafes C. leaves D. leafleaf 的复数形式 leaves答案 C2. Never before _ so many people been engaged in producing goods just for the comfort of man。A. has B. have C. will D. wouldnever before开头，句子倒装。主语so many people为复数。engage in doing sth. 忙于做某事。答案 B 3. Mr. Brown， and not I ， _ chosen to be the representative of the class。A. is B. am C. are D. have been主语 Mr
