The air in Lanzhou is getting much _____ now than a few years ago .
I wish ________ a long vacation next month.I am really tired these days.
—Who is doing the work?—Is ________ Li Ming?
The little girl wants to go home at once(立刻) because she ________ her parents very much.
All of the boys ________ soccer on the playground now.
Look!Sam ________ TV happily on the sofa.A.is watchingB.watchesC.watched