People will live ____________ 200 years old in the future.
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A
/
B
be
C
to be
D
in
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This river is too wide for the swimmers _________. 
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A
to swim
B
to swim across
C
to swim in
D
swimming
–-What do you think of New York City?      ---It’s a good place _______.
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A
have fun
B
having fun
C
to have fun
D
for funny