七上英语培优练习(第8周)(共5页).doc

精选优质文档-倾情为你奉上七上英语培优练习（4）二、单项选择（共15小题；每小题l分，计15分）21. There is _ “r” and _ “u ”in the word “colour”.A. a, a B. an, an C. an, a D. a, an 22. Are they in Class Two or Class Three? _.A. Yes, they are. B. They are in Class Two. C. No, they dont. D. No, they arent.23. Linda is very _ at singing and she sings very _. A.good; good