This ilibrary.A.the B.an C.\
—I come in? —Come in，please. A. DoB. AmC. May
Look atsun. It's big and red. A. aB. theC. /
—pens do you have? —One. A. HowB. How muchC. How many
—How do we go to the park? —Let's go therebus. A. onB. inC. by
—I can't find my ball，mum! —It'sthe door. A. ofB. behindC. up
library.
I come in?
sun. It's big and red.
pens do you have?
bus.
the door.
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