问题
My mother is ______ English teacher in _____ middle school.
A:a, an
B:an, an
C:an, a
D:a, a;
B:an, an
C:an, a
D:a, a;
正确答案是：
同类题型
______ on the light, Tony. It is too dark in the room.
Only with the greatest of luck _toescape from the rising flood waters.
______ foreigners visited Mount Tai one day.
Which of the two cameras are yougoing to buy—I’ll buyofthem，so I can giveone to my friend．
I always take something to read when I go to the doctor’s ________ I have to wait.[ ]