Question

Maria          wear a dress at the party yesterday.

A．is supposed

B．is supposed to

C．was supposed to

D．should to

Answer 1

C

试题分析：根据yesterday可知，本句是过去时，故排除AB；根据should后面跟原形，故排除D。本句的意思是”玛利亚在昨天的晚会上应该穿裙子。”所以本题选C。
点评：本题一是考查时态，二是考查be supposed to“应该做某事”的用法。还应该知道should后面跟动词原形。