We didn’t arrive at school on time yesterday morning ________ the heavy snow.
#46159
A
because
B
because of
C
so
D
so that
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It’s thoughtful ________you to prepare the film________ for our show. 
#48177
A
for, in the 1960s
B
of, in the 1960
C
for, in 1960s
D
of, in the 1960s
I get up______6:40______the morning.
#48246
A
at; at
B
in; in
C
at; in
D
in , at