----Look at the clouds. It is going to rain.----______ . Let’s go home quickly.
I like playing ______ pipa.
—You won the first prize in the last Physics competition once again. —___________. I made several mistakes.
Much attention should be paid ____ the wild animals as many of them are dying out.
Poor thing! Jack a fall while he on the ice. He got hurt badly.
----- How do you like the two pairs of trousers? -----They don’t fit me well. They are _________ too long ______ too short.