27 twenty-seven
28 twenty-eight
29 twenty-nine
30 thirty
7.第1到第30英语怎么写1.one.first
2.two.second
3.three.third
4.four.fourth
5.five.fifth
6.six.sixth
7.seven.seventh
8.eight.eighth
9.nine.ninth
10.ten.tenth
11.eleven.eleventh
12.twelve.twelfth
13.thirteen.thirteenth
14.fourteen.fourteenth
15.fifteen.fifteenth
16.sixteen.sixteenth
17.seventeen.seventeenth
18.eighteen.eighteenth
19.nineteen.nineteenth
20.twenty.twentieth
21.twenty-one.twenty-first
22.twenty-two.twenty-second
23.twenty-three.twenty-third
24.twenty-four.twenty-fourth
25.twenty-five.twenty-fifth
26.twenty-six twenty-sixth
27.twenty-seven.twenty-seventh
28.twenty-eight.twenty-eighth
29.twenty-nine.twenty-ninth
30.thir1ty.thirtieth
31.thirty-one thirty-first
文章插图