读一读，把左右两边英语与数字连起来。
①six and nine ____ ____ a. 90 A. nineteen
②thirteen and eight____ ____ b. 87 B. twenty-one
③fifteen and four____ ____ c. 15 C. ninety
④eighty and ten ____ ____ d. 19 D. eighty-seven
⑤seventy and seventeen ____ ____ e. 21 E. fifteen
