Elephants have their own way to tell the shape of an object and it is rough or smooth .
A. 不填 B. whether C. how D. what
—Sorry to you , but could I ask a quick question ?
—No problem .
A. worry B. prevent C. trouble D. disappoint
More than a dozen students in that school ______ abroad to study medicine last year.
A. sent B. were sent C. had sent D. had been sent
There was a loud scream from the backstage immediately after the concert ended, ______?
A. wasn’t there B. was there C. didn’t it D. did it
At a rough estimate, Nigeria is ______ Great Britain.
A. three times the size as B. the size three times of
C. three times as the size of D. three times the size of
There ______ be any difficulty about passing the road test since you have practiced a lot in the driving school.
A. mustn’t B. shan’t C. shouldn’t D. needn’t
