---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.
A. on; by B. by; by C. on; on D. by; on
The little boy fell asleep while ______TV. So his mother sent him to bed at once.
A. watched B. to watch C. was watching D. watching
American English has changed _______ the centuries. There are several reasons _____ this.
A. over, for B. for, with C. in, of D. during, about
He looked at the envelope(信封) and _____ Jenny’s handwriting immediately.
A. realized B．recognized C．reminded D．remembered
What an important role the Internet _____ in our life! One can hardly imagine ____ life would be like without it.
A. plays, how B. is, however C. uses, what D. plays, what
The two boys fought and fought until one_____________.
A. gave up B. gave in C. gave away D gave off
The Great Wall travel _______deep valleys, ________deserts and ________mountains.
A. over, across, through B. through, over, across
C. across, through, over D. through, across, over
With the rapid development of recent years, the people, ____village I once worked in，live a happy life now.
A. who B. in whose C. whose D. in which
Hurry! The plane ______ . You know, it ______at 3:15.
A. takes off, takes off B. is taking off, takes off
C. takes off, is taking off D. is taking off, is taking off
It is _____to see a monkey _______the bicycle.
A .fun, be riding B. a fun, riding C. funny, rode D. fun, riding