When you do exercises, your heart works better. It is able to______ more blood while beating more slowly.
#84315
A
produce
B
pump
C
increase
D
bump
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Use an umbrella to _____ you from the rain.
#81554
A
stop
B
prevent
C
keep
D
protect
  The car _____ and soon it disappeared.
#77234
A
moved off
B
drove off
C
drove away
D
was moved away