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III. Choose the correct answer to completë each sentence: stiwsi
16. Many people are wearing masks
of transportation.
A. because
the exhaust smoke from all meuns
B. due for
C. because of
D. as
17. Dustbins hae been placed in various places to make people
C. stopping iz ndhite
18. A new filtration system has been installed to treat the waste,
Hittering.
D. stopped
A: stop
B. to štop
the
lake is no longer polluted:
A. so
Bhowever5 srli d: because o"pas in!
19. Looking at the messy room caused me
stressed.
A. feel
B. to feel qblC.felt w D.felling
20. Dumping too many clothes or school things on the floor can
"visual pollution.
A. Tead
in
B. make
C. cause
D. result