We should remember to save water resource and not to leave the water_____all the time.
#98729
A
to be running
B
to run
C
running
D
run
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When this happens, he smiles and nods, ____ that everything is fine.
#92454
A
indicated
B
indicating
C
to indicate
D
indicate
Do you know the trouble he had _____ the work?
#92991
A
on finishing
B
to finish
C
having finishing
D
finishing