Jim was walking along the river_______ he heard someone_______ "Help! Help!
#56199
A
when; shout
B
while; shouting
C
as; to shout
D
when; shouting
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---_______ does harm to your health. --- I will ______ and live a healthy life. 
#60674
A
Smoke; give up it
B
Smoking; give up it
C
Smoke; give up smoking
D
Smoking; give it up
He ________a trip in China, but now he _________on a journey.
#53450
A
used to take; is used to go
B
used to take; is used to going
C
is used to taking; used to go
D
is used to take; used to going