We have two rooms_________, but I can’t decide_________. 
#51319
A
to live , to choose which one
B
lived, choose which one
C
to live in, which one to choose
D
live, which one
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Don’t forget ________ the lights before you go to bed.
#49236
A
turn off
B
turning off
C
to turn off
D
turns off
Do you have any trouble           the foreigners?
#51023
A
to understand
B
understanding
C
understand
D
understood[