问题
There is ______ “f” and ______”u” in the word “four”.
A:an, a
B:a, an
C:an, an
D:a ,a
B:a, an
C:an, an
D:a ,a
正确答案是：
同类题型
In class the students put their books _____ their desks. [ ]
My picture is _____ the wall and the window is _____ the wall. [ ]
. A: Bob, you look so happy today!B: Well, I got _____________“A ”on my English test．
I bet Mrs. Black will come to help us with the celebration if she ______ too busy tomorrow. [ ]