The book was written in 1946,         the education system has witnessed great charges. 
#71797
A
when
B
during which
C
since then
D
since when
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      hot the weather will be tomorrow, we must get the whole project        .
#67957
A
How; complete
B
However; to complete
C
How; completing
D
However; completed
I had neither a computer nor newspaper. ___ I don’t know the latest news.
#70324
A
It’s the reason
B
It’s the reason
C
There’s why
D
That’s why