After you finish the exercises, you’d better have your answers ___________.
| A．checking | B．checked | C．to check | D．check |
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 ischeaper than that one.
A、much B、many C、more
is the population of China?
A、What B、How many C、How much.