Mr Smith closed all the windows while driving______ he wouldn’t catch a cold.
#31466
A
since
B
so that
C
because
D
as if
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Julie was good at German，French and Russian，all of ______ she spoke fluently.
#30614
A
who
B
whom
C
which
D
that
Andy can go to the cinema together with us he has finished the task．
#33132
A
unless
B
as soon as
C
until
D
as long as