______our teacher is ill, ______ he still comes to our class to teach us.

The paper is due next month, and I am working seven days ______ week, often long into______night.

Does your uncle work ____ a farm—No, he doesn’t. He works ____ a restaurant.

Excuse me, has the train from Beijing arrived yet? — _____, you are three quarters earlier It’s only 9 now [ ]

Anotice was in order to remind thestudents of the changed lecture time