— Bob, can you play violin?— Yes, but I don’t have violin.
--Alice, please tell Eric to call me when he _____ back. --No problem.
There are ________ people in the supermarket. It’s so crowded.
Most of the young people enjoy ______ Jay Chou’s songs.
—My father has decided to ______ smoking. --That’s good news for us.
Yao Ming works hard on his English and ________