Many people believe _______ robots will do most of our housework in the future.
#57999
A
that
B
if
C
why
D
how
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it rained heavily this morning, nobody in our class missed the lesson.
#56424
A
Even though
B
Until
C
Ever since
D
Because
_____ she is only 4 years old, ______ she can plays the piano.
#55707
A
Although, but
B
Although, \
C
But , \
D
\, and