Question

【题目】You were ________ to close the windows. Why were you so careless?
A.allowed
B.supposed
C.caused

Answer 1

【答案】B
【解析】句意：你应该关闭窗户。你为什么如此粗心？此题考查动词短语be supposed to do sth应该做某事，A.允许；B.应该；C.引起。根据句意，应选B。