It’s very convenient ______ us to buy train tickets now because we can buy them either from the station or on the Internet.
#48015
A
to
B
of
C
by
D
for
推荐题目
--I wonder how you have improved your spoken English so fast, Li Lei.-- Chatting with my foreign friend.He’s been here for some time,you know.
#45800
A
On
B
With
C
In
D
By
Tom is going _______ December, and she’s staying _____three weeks.
#48774
A
on, for
B
in, for
C
at, in
D
in, on