during the time 和at the time的區別

題目：

during the time 和at the time的區別
如題,講清楚意思及用法.
______this time,we can eat some food in the dining hall or play sports outside.使用during 還是at?
We have to go to school from Monday to Friday.Classes begin at 9:00.After 50 minues,there is a short rest.______this time,we can eat some food in the dining hall or play sports outside

解答：

during是在這一段時間裡
at是在這一個時間點上
所以選during
看了全文,確定要填during,是指在課間這個「short rest」里,是一段時間.