Is your notebook          the lost and found case?
#49111
A
in
B
at
C
to
D
on
推荐题目
Tom needs some help ________ his homework. Can you help ________? 
#51205
A
to, he
B
with, him
C
to, his
D
with, his
It’s important _________ us _________ some good friends.
#47232
A
for, having
B
of, to have
C
for, to have
D
of, having
 Do you often chat_______ your friends_______ the Internet?
#47534
A
to; on
B
with; with
C
to; with
D
with; on
Look!  The train is going _______ the tunnel.
#49271
A
across
B
along
C
through
D
round