The police can’t decide whether the suspect is guilty because he could prove he was________at the time of the crime.
—___________ is the sofa? —It’s $300.
—_________. Is this your pen? —Yes, it is.
—Do you like history? —Yes. I think it’s _________.
-_______ is your mother?-She is fine!
Cindy plays volleyball every day, but she ______ play tennis.