题目内容
The company had about 20 notebook computers but only one-third ________ used regularly.Now we have 60 working all day long.
[ ]
A.
is
B.
are
C.
was
D.
were
答案:D
解析:
解析:
|
本题考查主谓一致及动词时态的用法,当分数、百分数作主语时,要根据后面的名词来决定其谓语动词的单复数。此处one-third 指的是one-third of the notebook computers,因此谓语动词用复数,且句子时态应用过去时。 |
练习册系列答案
相关题目