Have you heard that Tom, as well as his parents, _____ moved to Beijing?—- Really? No _____ I haven’t seen him for a long time.

It’s really very dangerous.One more step，________ the baby will fall into the well

Excuse me, may I borrow your dictionary,Sandy—_______. But you have to return it this afternoon.

John looked at the old photo to _______ his memory of the happy days when he was at school.[ ]

Frank often wears a mask ________he can keep fit inthe foggy and hazy (霾) weather.