After he retired, he keeps on taking exercise to kep fit______a good diet

When you phoned me, I was having a meeting, otherwise I _____your call.[ ]

Do you know _____ that Mr. White left the partywithout saying a word last night—Perhaps because he was angry with Alan’s ruderemarks.

The traffic rule says young children under the age of four and _____ less than 40 pounds must be in a child safety seat.[ ]

Your grandpa had a bad cold last week.——_____________.