You can imagine what great trouble we had the new school.
A. setting up
B. to set up
C. set up
D. to setting up
网友回答
(答案→)A. setting up
B. to set up
C. set up
D. to setting up
解析：考查固定词组：句意：你可以想象建立一个新的学校有多难。使用的是have trouble （in） doing这个固定词组，因为是感叹句，所以trouble在前面，we had setting up a new school是定语从句，修饰trouble，选A。