语法词汇练习 语法大全 语法详解 英语听力 
It’s difficult _____ us to remember new words.
#46384
A
of
B
to
C
for
D
on
下一题
推荐题目
Sometimes I work __the day sometimes__night.
#49012
A
in; at
B
at; in
C
at; on
D
on; at
Welcome to our charity show．It will be held _______ the night of May 4th．
#48033
A
on
B
in
C
at
D
/
There is an art room ___ the first floor.
#48801
A
in
B
at
C
on
D
for
— Have you solved your problem?— I’ve kept on thinking about that matter__________, but I have had no idea.
#45928
A
at times
B
some time
C
at a time
D
all the time
We live_________ the second floor _________a flat.
#46484
A
at; in
B
on; at
C
on; in
D
in; on