I want to go to the park ———The park is usually closed ____this time _____day A at of B on at

问题描述:

I want to go to the park ———The park is usually closed ____this time _____day A at of B on at
及原因

选A.
简单的说at this time of the day算是固定搭配,time是一个时间点,用at与之搭配.当time用作时间段的时候用in/during,并且加冠词.至于on……我见过的只有一个叫做on time的表示“准时”的搭配.顺便in time表示“及时”.