Once new difficulties _____ in our new job, we should learn to use our brains to solve them.
Mary _________be late, so don’t wait for her.
Don’t take the lift in a fire because the lift __________ become trapped between floors.
Frightened by the noise in the night, the little girl __________not sleep in her room.
------These grapes look really beautiful. ------They _________! See the price, 3.99dollars a pound. Very expensive, aren’t they?
Do help yourself to some fruit, __________ you?