—Is John coming by train.
—He should，but he ________ not.He likes driving his car.

There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.

—It's the office！So you ________ know eating is not allowed here.
—Oh，sorry.

At sixty, Maugham decided to withdraw from the theater and wrote The Summer Up, in which he tried to review what he _______ from his life and literature.

— My computer _______ start, no matter how hard I try.
— It might have crashed.

This will be a year of action, and that action should begin by extending unemployment insurance for Americans who were _______ in the economic slowdown.

As PM2.5 readings reached as high as 900 in some cities, people are more _____ to get lung cancer in such conditions. 

Every time I take part in a friend’s big party. I always go to talk to those who just sit alone so that they don’t feel_____.

Children often quarrel and even fight with each other, but it won't be long before they     _______and play together.

(2012·安徽高考)Grace doesn't want to move to New York because she thinks if she ________ there, she wouldn't be able to see her parents very often.