—When will Mother come back?—She to be here by eight o’clock tonight. A. is supposingB. s

问题补充：

—When will Mother come back?

—She to be here by eight o’clock tonight.

A. is supposing

B. supposed

C. was supposed

D. is supposed

答案：

A. is supposing

B. supposed

C. was supposed

(答案→)D. is supposed

解析：考查短语be supposed to“应该”，根据时间状语tonight可知要用现在时态。句意：妈妈什么时间回来？她应该今晚八点到这。