精选优质文档-倾情为你奉上Unit2Language单元检测(M 3). 单项填空(共15小题;每小题1分,满分15分)21. My English teacher has _rich experience in teaching and we all think she is _experienced teacher. A. a;an B. 不填;the C. a;the D. 不填;an22. If it is quite _ to you, I will visit you next Tuesday. A. convenient B. fair C. easy D. comfortable23. According to the survey, two thirds of the area _ covered by trees now and 90% of the population _ contributions to the Greening Proje