问题

There is “u” and “s” in the word “bus”.

A:a, a
B:a, an
C:an, an
D:an, a

正确答案是：

同类题型

Come on, please give me some ideas about the project.—Sorry.With so much work_________my mind, I almos break down.[ ]

n go out, ______ you promise to be back before 10 o’clock.

in 2006, theStreet GD. Opening

________ month of the year is May． It’s my favorite month．

You are late. The meeting __________for about ten minutes.