单项选择题
How should the number 5 be pronounced when spoken on the radiotelephone?（）.
A.FIVE-ER B.NEW-MARL-FIVE C.NUM-ERL-FIVE D.PAN-TAH-FIVE
单项选择题 How should the number 6 be pronounced when spoken on the radiotelephone?（）.
单项选择题 How should the number 7 be pronounced when spoken on the radiotelephone?（）.
单项选择题 How should the number 9 be pronounced when spoken on the radiotelephone?（）.
