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Giúp
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were
D. are
19.The road in front of my office is
always
when it rains heavily.
A. to flood
B. flooding
С.
flood
D. flooded
20. Singapore is
famous for
its
and green trees.
A. cleanliness
B. cleanly
С.
cleaning
D. clean
21. After I
in the room, she
left.
A. come
B. had come
С.
came
D. will come
22. This is one of the worst volcanic
in this year.
A. eruption
B. erupt
С.
erupting
D. eruptive
23. The roof of the building
in
a storm a few days ago.
A. damaged
B. was damaged
has damaged D. has been damaged
24. In some English speaking countries,
turkey is
_food at Christmas.
A. national B. historical
С.
traditional
D. possible
25. If the factory
dumping
poison into the lake, all the aquatic