—Do you know _____?—Sorry, I don’t know. 
#36898
A
what’s the population of Japan
B
what the population of France is
C
how much of the population of Japan is
D
how many is the population of France
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I wanted to know _________, but no one would like to tell me. 
#38863
A
what did the old man say
B
how did the old man come
C
whether the old man would come
D
who the old man went
My friends didn’t tell me ________ .
#39248
A
which room he lived in
B
which room he lived
C
which room did he live lin
D
which room does he live in