boy is playing with ______.Р C. The box fell to the ______ and broke open.Р D. The elephant is the biggest animal on ______, right?Р93. lie/layР A. Little Mary _____ on the grass and thought how many eggs her hen couldР B. I’m tired. I’11 go and ______ down for a while.Р94. make sure/be sureР A. I _____ you will like my story.Р B. ______ all the windows are closed when you leave.Р95. work at/work on/work outР A. The boy was so clever that only he ______the difficult math problem in class.Р B. He is ______ a new subject.Р C. The manager told him to take a rest, but he still stayed in his office and kept ______.Р96. be good at/be good for/be good toР A. Vegetables ______ your health and you should eat more.Р B. My classmates ______ me. We are good friends.РC. Beckham ______ playing football.