— Will you stay for lunch?— Sorry, I ______. My brother is coming to see me.
There are many trees on ______ side of the street.
The meat is ___ dear and eating____ meat is bad for your health .
May I ask you ________ questions?
----Who swept the classroom? ---- I_________.
----Excuse me, look at the sign NO SMOKING. ----Sorry. I ______ it.