Every pupil is to be in his classroom at 7 o’clock in the morning which is the rule of t

问题补充：

Every pupil is to be in his classroom at 7 o’clock in the morning, which is the rule of the school.

A. likely

B. supposed

C. allowed

D. depressed

答案：

A. likely

(答案→)B. supposed

C. allowed

D. depressed

解析：固定词组。Be lilely to do sth有可能做某事；be supposed to do sth 应该做某事；句意：每个学生都应该在早晨7点到校，这是校规。