She returned from lunch in a happier frame. of_____.
A. mind
B. hope
C. idea
D. opinion
Many economists say the United States will_____economic recession in at least one year.
A. pull down
B. pull away
C. pull out
D. pull out of
我国的总政策是以经济建设为中心,坚持四项基本原则,坚持改革开放。()
A huge amount of environmental damage has been brought_____by the destruction of the rainforests.
A. about
B. back
C. up
D. forward