17. She was worried ______________ her father's surgery would be unsuccessful.
A. that B. because C. about D. so that
2. A computer can store a vast ______________ of information.
A. number B. amount C. plenty D. much
10. If we care about plastic waste, _________________
A. why won’t we stop drinking bottled water?
B. we would use reusable shopping bags.
C. we will throw away plastic water bottles.
D. why don’t we buy plastic bags?
7. Thousands of fish were killed ________ to a discharge of poisonous Chemicals
from a nearby factory.
A. owing B. lead C. as D. thanks
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Sinh Học lớp 12
