________ mud on his trousers brushes off easily.
He ran as fast as he could _____ to catch the bus.
I’d try even if I may fail ___ __ sit there worrying in time of trouble.
—Ms Lin looks rather a kind lady. —But in fact she is cold and hard on us. You ____believe it!
I have no dreams ____ to have a happy life.
----Is there anyone who is going to the Great Wall.----________.