Definition: during a period of time, from the beginning to the end Level: B2
课程从上午9点到中午12点，周二到周四。
The class meets from 9:00 a.m. to 12 noon, Tuesday ___through Thursday.
我们通宵工作。
We worked all ___through the night.
大多数学生周一至周四上课，周末回家。
Most students attend classes Monday ___through Thursday and go home on weekends.
