問題二：八十大壽的英文怎麽寫 The eightieth birthday
問題三：百分之八十的英文寫法是什麽？ eighty per cent
問題四：十四、四十、八十，分別用英語怎麽寫 fourteen
問題五：第壹到第二十用英語怎麽寫？三十、四十、五十、六十、七十、八十、九十、壹百用英語怎麽寫？ first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelveth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteenth
twenty
問題六：英語單詞六十到八十的怎麽讀 用帶發音的詞典軟件或者網站，讀壹下這些單詞：
sixty
seventy
eighty
one
two
three
four
five
six
seven
eight
nine
然後把它們組合起來。
60就是sixty
70 seventy
80 eighty
61 sixty-one
62 sixty-two
73 seventy-three
74 seventy-four
…… ……