—Morgan, could you tell me _____________?—In the Mexican city of Cancun.
#39106
A
where did the UN Climate Change Meeting open
B
when did the UN Climate Change Meeting open
C
when the UN Climate Change Meeting opened
D
where the UN Climate Change Meeting opened
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---Go and ask the waiter how much_____.---Don’t worry. It has been _____.
#38235
A
does the meal cost, paid for  
B
the meal costs, paid
C
the meal spends, paid
D
the meal costs, paid for
It was getting dark, but the little boy didn’t know______________.
#37646
A
who can he ask for help
B
what was wrong with the bike
C
where can he go to mend the bike
D
if he could arrive home on time or not