It’s difficult _____ us to remember new words.
#46384
A
of
B
to
C
for
D
on
推荐题目
— Betty, what time do you have Chinese on Monday? — We have Chinese __________ eight o’clock.
#46824
A
at
B
on
C
for
D
with
There is a bridge __the river and __ the bridge many people are walking.
#48084
A
over; over
B
on; on
C
on; over
D
over; on
