The boy ________ broke the window must pay for it.

Mr. Smith is very strict ______ everything ______ his students.[ ]

_______ of the watches would you like?—I’ll take ________ of them, so I can give one to my sister.

The reason ________ he was late for the meeting was _______ his car had broken down on the road.

If you are late for class,the teacher________ angry.[ ]