Susan is my good friend and she always helps me _______ my Maths.
#49088
A
in
B
on
C
for
D
with
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Look_______ the birds. They are lovely.
#48166
A
at
B
up
C
for
D
on
We all know that doing morning exercises ______. 
#50401
A
is good for our healthy
B
are good for our healthy
C
are good for our health
D
is good for our health