His plane is due at 10 in Pairs. Look, ______plane is now at ______ airport.
A. a/ the
B. the/ the
C. the /an
D. a/ an
There is ______ apple on the tree.
A. a
B. an
C. the
D. X
He likes playing _______football.
A. a
B. an
C. the
D. X
________blackboard in our classroom is very big
A
B. An
C. The
D. X