优质解答
one two three four five six seven eight nine ten （1-10）eleven twelve tirteen fourteen fifteen sixteen seventeen nineteen twenty（11-20）twenty-one （这是21,仿照格式写,如这个是20加上1组成21.中间加横...
one two three four five six seven eight nine ten （1-10）eleven twelve tirteen fourteen fifteen sixteen seventeen nineteen twenty（11-20）twenty-one （这是21,仿照格式写,如这个是20加上1组成21.中间加横...