七年级下期末检测题. 单项选择（共20小题；每小题1分，满分20分） 21. There is _ “u” and _ “s” in the word “use”.A. a; anB. an; an C. a; aD. an; a 22. Mr. Green teaches _ English in our school.A. we B. us C. ours D. theirs 23. Look at the flowers! They are in different _ :red, yellow, pink，etc.A. namesB. sizes C. pricesD. colors 24. Well have a _ holiday. What about going to the West Lake?A. two daysB. two-day C. tw
