As high school students, it’s very important to keep ourselves ______ of what’s happening home and abroad every day.
Most people are _________ bringing down the price of housing because it’s too high for them.
He wondered if he could slip out of the lecture hall without anyone .
Jenny was looking for a seat when,luckily,a man and left.
—There is a hole in your bag?—I know. I'm going to have it __________.
—Can you lend me some money?—I’m short of money myself, but _____, I’ll give you some .