Susan is my good friend and she always helps me _______ my Maths.
#49088
A
in
B
on
C
for
D
with
推荐题目
It is important_______ you_______ out for a walk after supper.
#51063
A
of ; to go
B
to; to go
C
for; to go
D
for; going
He has been back        .
#48270
A
since a month
B
for a month
C
for a month ago
D
in a month