—Humans can’t live air.—I agree with you.A.with B.without C.in
I ______ that he’s a hardworking teacher.
―Do you prefer spring ________ summer?―________, because it’s warm and flowers start to come out.
—Have you found your lost camera? —No, I haven’t found _____, but I bought _____ this morning.
-You aren’t a stranger, are you?- , don’t you remember me at the school gate ten minutes ago?
He _____ play the piano since he was young. He is very famous now.