Is Tom still in New York or already back at home?—I’m not sure _________. I’ll call to make sure.

Well, as the proverbs goes, “_________”

Mr Brown has a part-time job _____ a teacher in our school. [ ]

The students in our class always exercise a lot. homework, they finished it very quickly.[ ]

Excuse me. Would you please tell me ____?—Certainly. Go straight along here. It’s next to a hospital.