47.Kate wants (hang out) with her friends on her birthday.
48.What the children(see) in the zoo yesterday?
49.Laura lives in a big city. If she (live) in the city, she ______(not swim) here often.
50.He (not eat) _________ until his parents (come)_________ home tomorrow.
51.If she doesn’t visit us, we (call) her ____________every night.