.-Hi,Bruce.Here’s a letter for you.-Thanks.I wonder_________.
#38502
A
who that letter was from
B
who was from that letter
C
who was that letter from
D
who from that letter was
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Our teacher told us light (光) _________ much faster than sound .
#36503
A
travels
B
traveled
C
had traveled
D
will travel
Mr Green asked ________. 
#37483
A
where was Jim
B
how did he come
C
who is she
D
if she knew the engineer
—Could you tell me ____________________?—I don’t know. It seemed to be unimaginable.
#38074
A
why “Gangnam style” is known to all in China
B
when was “Gangnam style” so popular in China
C
where “Gangnam style” is popular
D
how was “Gangnam style” well-known in China