The special building in the middle of the square is the oldest wooden building ________.[ ]

Most parents are not _____ the danger of their babies’ eating jelly, which causes most unfortunate incidentsto happen [ ]

We should protect the environment, for plenty of fresh air ________ to good health.

They have hamburgers _______ lunch.

— I’ll be away for a while. Would you mind looking after my baby— Not at all. .