You can change your job, you can move your house, but friendship is meant      life. 
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A
of
B
on
C
to
D
for
推荐题目
 As we all know, a proper amount of exercise _______ to good health.
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A
controls
B
offers
C
provides
D
contributes
Rather than ________on a crowded bus, he always prefers _______a bicycle .
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A
ride; ride
B
riding; ride
C
ride; to ride
D
to ride; riding
Please read the _______ on the bottle and take the right amount of medicine.
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A
explanations
B
introductions
C
instructions
D
descriptions