Question

【题目】 For kids of this age, two hours of sitting in a classroom ________ too long.

A. is B. are C. was D. were

Answer 1

【答案】A

【解析】

试题分析：句意：对于这个年龄的孩子，坐在教室两个小时太长了。two hours of sitting in a classroom表示一段时间，用作主语时，谓语动词该用第三人称单数形式。结合语境，本题该用一般现在时，所以选A。