---What do you think of your boss?---He always work hard and he is ____________ late for work.
Ann ,is this pen ______? ----No, it isn’t. It’s_______.
----Are _____ your parents? ---No , ______ aren’t.
—How do you ______breakfast? —B-R-E-A-K-F-A-S-T.
Peter _________ a baseball, but he doesn’t ________ a baseball bat.
Where are my keys? I must __________.