When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.
A. made B. has made C. was making D. had made
Since the beginning of the vacation, I_____ across the country, and my next stop is the Wuyi Mountain.
A. had travelled B. will travel C. have been travelling D.was travelling
Attention, please, everybody! Please stay_____ while I take a photograph of you.
A. still B. calm C. quiet D. alive
We should realize that there are other things that society should value besides high marks, _____ honesty and responsibility.
A. for example B. namely C. such as D. that is
What should we use for power when all the oil in the world has_____ ?
A. run out of B. used up C. given out D. given off
Betty is very popular because she is easy____ .
A. to be getting along B. to be got along with
C. to get along with D. to get along
