—What were you doing when you heard Malaysian airlines flight lost?—I my homework.
We usually have ________ lunch at school. A. the B. a C. /
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