( ) 21. There is __________ picture on the wall. It’s _______ old picture.
A. a; an B. an; a C. a; a
( ) 22. There _______ one apple on the table.
A. are B. is C. am
( ) 23. In our class, there _______ 18 boys.
A. be B. is C. are
( ) 24. — ________ is your bag?
— It’s on my bed.
A. What B. Where C. How
