It is very kind ____ you to help me with my lessons. It is hard ____ me to learn them well.
#46694
A
of; for
B
of; of
C
for; of
D
for; for
推荐题目
I am looking after little Tom today. He’s been in my house _________ 8:00 this morning.
#45997
A
at
B
since
C
for
D
till
I like flowers. I hope to study at a school ____many flowers and trees in it.
#49852
A
in
B
with
C
on
D
by
