It’s difficult _____ us to remember new words.
#46384
A
of
B
to
C
for
D
on
推荐题目
I am so tired today. I swam _____ the river in the morning and I walked ____ the forest in the afternoon.
#49666
A
through, through
B
across, across
C
across, through
D
through, across
We didn’t arrive at school on time yesterday morning ________ the heavy snow.
#46159
A
because
B
because of
C
so
D
so that