a) A factory is being built to recycle waste paper in this city.
b) Were your mails being checked when the light went out?
c) Some books have been left on that table but I can't find them now.
d) What should pollution be done to stop arould their schools?
e) Many trees will be planted around our school to get more shade.
f) A lot of information can be stored in a small USB.
g) Who are your children often looked after at the weekend?
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