单项选择题
How should the number 4 be pronounced when spoken on the radiotelephone?（）.
A.QUAD-ROS-FOOR B.NUM-ERL-FOUR C.NUMB-ER-FOWER D.KAR-TAY-FOWER
单项选择题 How should the number 5 be pronounced when spoken on the radiotelephone?（）.
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?（）.
