问题

A little boy wrote _____ “u” and _____“n” on the wall.
A:a; an
B:an; a
C:an; an
D:a; a
B:an; a
C:an; an
D:a; a
正确答案是:
同类题型
______ does ______ take to play tennis? —-Let me see. About two hours.
Ask them their names and ____________,please. — OK. Mr. Zhang. I’ll do it right now.
Why are you standing outside the gate? — My father me wait for my aunt from the country here.
One of my teammates fell ill _______ he can’t practice with us now. [ ]