He was walking along the sands ______ he saw a big footprint in the sand.
#31778
A
while
B
as
C
when
D
after
推荐题目
I still remember the days___ I spent ______ with you in Beijing．
#33999
A
when; staying
B
what; to stay
C
that; staying
D
during; to stay
Parents should pay attention to areas _______ their child is having difficulty and spend extra time to help him or her master those skills.
#33565
A
as
B
where
C
why
D
when
--Could you please cut the price a little? --Er... _________ you buy more than ten.
#33244
A
even if
B
so long as
C
in case
D
as soon as
You can make a complaint to the local government ____you are happy with the way things are.
#30961
A
unless
B
if
C
once
D
as