--- have you been in Beijing? --- For about ten years.
I have got _________ apple. A. a B. an C. some
My father is _______ English teacher in _______ university.A. a; a B. a; an C. an, a
Tom can play _______ violin well, but he can’t play _______ volleyball.A. the; the B. the; / C. /; /
This pen is cheaper than that one.A、much B、many C、more
is the population of China?A、What B、How many C、How much.