问题补充：
The official made the demand that the soldiers at once battlefront.
A. leave; for
B. leave; to
C. left; to
D. to be left; for
答案：
(答案→)A. leave; for
B. leave; to
C. left; to
D. to be left; for
解析：主要测试特殊结构。句子中的动词：demand 后的宾语从句应该使用( should ) + v +……结构。另外还考察了“动身去某地”这一表达方式。
