I’m told that www.languagepractising.com is a free website ____ learners can not just learn various languages but also chat online.
#70175
A
that
B
which
C
where
D
whose
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 It’s not until no enemies were left that they________ . 
#72174
A
did not stop fighting
B
did stop fighting
C
stopped fighting
D
have stopped fighting
The idea for the new machine came to Mr. Baker ______ to his invention recently.
#72375
A
while devoting
B
while devoted
C
while he was devoted
D
while devoting himself.