“Where did you find the professor who made the speech yesterday?” “It was in the hall ______ the students often have a meeting.”
—— He hasn’t gone to the office up to now. —— Well, he _____.
—— Have you watered the flowers? —— No, but _____.
Mr. Black, _____ born in Kentucky, lived and practiced law in Missouri.
All substances, _____ solids, liquids, or gases, are made up of entirely atoms.
—— How about the number of students playing on the playground? —— _____.