Don't keep the water running when you wash your hands.____________A.I hope so B. I'm afraid notC. Sorry, I won't D it's nothing
Which team are you going to play ________, do you know?
On the way to the post office, I heard some children ________the English song.
The train ________ here at 6 o’clock.
There will be ________water and ________trees in 100 years, how can we live?
Children are always ________ in ________stories.