Choose the right words.
1) We ........ waste water.
a) shouldn t
b) can t
c) must
2) The air pollution is awful! It s getting ........ every year.
a) warmer
b) worse
c) dark
3) you can recycle those bottles.Don t put ....... in the dustbin
a) it
b) him
c) dark
4) Would you like ..... salling?
a) go
b) to go
c) going
5) People should ...... their rubbish.
a) recycle
b) to recycle
c) will recycle
6) A Would you like to sit down?
B ..........
a) Yes, I would.
b)Yes, I like
c) Yes, I do.