问题补充:
If the American government the expert’s suggestion, the world economy would not be in such a mess now.
A. followed
B. follows
C. should follow
D. had followed
答案:
A. followed
B. follows
C. should follow
(答案→)D. had followed
解析:考查if的虚拟条件句:句意:如果美国政府听从专家的建议,世界经济就不会像现在这么混乱了。从句是和过去相反,用过去完成时,主句是和现在相反,用would do。选D。