the children must remain _______ the school grounds during the lunch break

分类: 作业答案 • 2022-04-21 19:20:00

问题描述：

the children must remain _______ the school grounds during the lunch break
A.with B.at C.within D.of
为什么选 C

答

此句译为：孩子们必须留在学校在午餐时间.remain within the school grounds 译为;在校内、、、只有用within 才能表示出在校内这个意思.