---How many students are there on the playground? ---_________.
#53445
A
Nobody
B
Nothing
C
None
D
None of them
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She is _____ friend.
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A
mine
B
my
C
ours
D
theirs
---Could you tell me __________ my English?---By listening and speaking more.
#54494
A
what to improve
B
where to improve
C
how to improve
D
which to improve