Question

【题目】Mr Wilson didn't believe that twothirds of his children's spare time ______ wasted watching TV.
A.are
B.is
C.were
D.was

Answer 1

【答案】D
【解析】句意：Wilson先生认为他的孩子们三分之二的业余时间浪费在看电视上。分数作主语时，谓语动词的单复数由of后面的名词的数决定。该句中time是不可数名词，故谓语动词用单数；根据主句用过去时，故宾语从句也应用过去时，故选D项。