Most people are________building a paper factory near here.They are worried the river will get polluted.
—Mum,it’s late.Why are you still here? —Dad hasn’t come back yet.I ________ for him. A.am waiting B.was waiting C.waited
It’s 8 o’clock.The students ________ an English class.
You ________.Don’t talk on the phone.
Here ________ for you.You are too lucky.
What ________ subjects do you like?