They succeeded ____ most of the ice.
A. to take off
B. in dispose
C. in getting rid of
D. to remove
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A lot of people died ____ novel coronavirus in Wuhan.
A. from
B. of
C. because
D. in
Nowadays， more and more people are addicted ____ mobile-phone games
A. to play
B. to playing
C. in playing
D. in
If you have any trouble _____ English, I can help you.
A. to learn
B. learn
C. learning
D. learned
I find ___ useful to learn how to use a computer.
A. it
B. that
C. this
D. those
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