_____his poor health , he was still at work late into the night.
—— He hasn’t gone to the office up to now. —— Well, he _____.
Mr. Black, _____ born in Kentucky, lived and practiced law in Missouri.
—— Have you watered the flowers? —— No, but _____.
All substances, _____ solids, liquids, or gases, are made up of entirely atoms.
—— How about the number of students playing on the playground? —— _____.