优质解答
1one 2 two 3 three 4 four 5 five
6 six 7 seven 8 eight 9 nine 10 ten
11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen
16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty
1one 2 two 3 three 4 four 5 five
6 six 7 seven 8 eight 9 nine 10 ten
11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen
16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty