---Do you know how to use this word?----Sorry, but why not _______in the dictionary.
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.
Li Lei knows two foreign languages. He can speak _______ English______ French.