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

1. A.
   a, a
2. B.
   a, an
3. C.
   an, an
4. D.
   an, a

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

       A. a, a                B. a, an                C. an, an                  D. an, a

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

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

A．a, a              B．a, an             C．an, an            D．an, a