—It’s said that Chris achieved high grades in the examination.
—That’s no surprise.He is ，you know.
A. a dark horse B. a green hand
C. a wet blanket D. an early bird
—Why did you go back to the library?
—Oh，I left my classmate Julia there.
A. to wait B. waited
C. waiting D. being waited
—Is the doctor your son？Has he graduated from university?
—Yes，he in Nanjing Medical University for 5 years.
A. has been studying B. studies
C. had studied D. studied
—I’m dead tired.I can’t walk any farther，Peter.
—So am I．If only we a pair of wings!
A. have B. had had
C. had D. should have
He realized he was in the wrong and promised to a new leaf.
A. take over B. turn over
C. get over D. go over
No matter what happens，be sure you always do you think is your duty.
A. what B. which
C. that D. how
