–What was your brother doing at this time yesterday?–He was reading a magazine ________ I was writing an e-mail at home.
#58258
A
as soon as
B
after
C
until
D
while
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___________ the young girl ___________ her parents take regular exercise in order to keep fit. 
#56037
A
Not ... but
B
Either ... or
C
Neither ... nor
D
Not only ... but also
I never know this         he tells me.
#56807
A
after
B
when
C
while
D
until