Tom thanked his sister  helping him    his lessons.
#49181
A
for; with
B
to; in
C
of; about
D
on; at
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 We often go to school _______ 8:20 ________ the morning. 
#48756
A
in, at
B
at, in
C
at, on
D
on, in
We _____others’ homework.
#48026
A
against copying
B
are against to copy
C
are against copying
D
againsted copying