Great changes have taken place around the world. Nobody can tell _____ in 20 years.
#38615
A
what will it be like
B
how it looked like
C
what it will be like
D
how did it look like
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I wonder_________it is worth_________. 
#39257
A
that, reading
B
if, reading
C
that, to read
D
whether, to read
 – David, could you tell me _________?-- Every four years.
#36774
A
when the 2014 World Cup will finish
B
how often the World Cup takes place
C
how many teams take part in the World Cup
D
who may score the most goals in the World Cup
We don’t know _______ the meeting will be held soon.
#39025
A
when
B
what
C
whether
D
since