You must have been to the Great Wall,____________?
A. mustn’t you
B. haven’t you
C. aren’t you
D. must you
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—It is a lovely day, isn’t it ? ---Yes,______?
A. isn’t it
B. it is
C. it isn’t
D. is it
They succeeded ____ most of the ice.
A. to take off
B. in dispose
C. in getting rid of
D. to remove
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
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