( ) The students couldn’t help ________ when they heard the joke. A. to laugh B. laugh C. laughing
Where’s the train? Ir’s________the station. A. at B.in
He’s __________music. A.listen to B.listening to
_______is it? It’s five yuan. A.How much B.How many
What are they________? A. drink B.drinking
---_________.Where is KFC,please. ---Go straight on,And turn left A. Sorry B.Excuse me