A little boy wrote _____ “u” and _____“n” on the wall.
| A．a; an | B．an; a | C．an; an | D．a; a |
_______ our surprise,the twin sisters went to Peking University at the same time last year.
A.With B.In C.To
_______ lion is a dangerous animal.Don’t you think so?
A.A B.An C.The
.She rose from being a nobody to become a superstar.
A.a famous person B. an unknown person C.an important person
I like teachers who are amusing and can laugh with their students.
A.funny B.serious C.strict
Sometimes I take a No. 31 bus to work.
A.by B.catch C.get