My brother has been teaching ________ he was 21 years old.
#55820
A
when
B
if
C
for
D
since
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_______ she is ill, _______ she goes to school.
#57900
A
Although; /
B
Although; but
C
But; although
D
Because; /
There ________ children playing games in the park. 
#57573
A
has much
B
are many
C
is much
D
a lot of