It is reported that more subways __________in our city in the next year.
How _______you getting ________with your classmates ?
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?