we stop for lunch _____ shall wedrive on” “Let’sstop for lunch, but the driver can’t drink _____ drive”

Scientists are trying to ways to treat the terrible disease called H7N9.

Whose advice doyou think I should take — __________

What was Kelly Chan’s concert?—It __________ everyone present.It’s a pity you’ve missed it.

The old man didn’t know whether to sell thecar or____ .