We worked all night, _____ for the coming procession. 
#98012
A
to prepare
B
preparing
C
prepared
D
was preparing
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It is better to ask someone for advice rather than ___________something.
#97394
A
risk doing
B
risk to do
C
to risk doing
D
to risk to do
 You'd better not have the light _____ all day long.
#98352
A
burning
B
burned
C
to burn
D
being burnt
The bad weather meant__________ the rocket launch or 48 hours,.
#98677
A
delaying
B
having delayed
C
to delay
D
to have delayed