— Look at the boy playing basketball on the ground. Is it George?— It ________ be him. He told me he would play basketball after class, but he’s not sure.
--- Do you know the boy________ is sitting next to Peter? --- Yes. He is Peter’s friend. They are celebrating his ________ birthday.
—Why do you like Mary? —Because she is honest girl. A.aB.anC. the
In a position like this, one can ________ stand up _______ lie down . So it is very uncomfortable.
—Do you know _____? —Sorry, I don’t know.
—Hi, Lucy. Have you finished your homework yet? —No, just a half. I am really bored with so much homework. —_____