---- What else do you think we should pay attention _________ our environment?---- Sorry, I’ve no idea.
I like English. I want __________some foreign friends.
—Why did you go there?—I __________the homes of movie stars.
Jack is 1.8 meters tall and he is __________boy in our class.
He often __________emails to his parents on weekends.
Look! Many people __________the buses at the bus stop.