Evdence has been found through years of study children’s early sleeping problem are likely to continue when they grow up.
#68385
A
why
B
how
C
whether
D
that
推荐题目
Some pre-school children go to a day care center, __________ they learn simple games and songs.
#74456
A
then
B
there
C
while
D
where
(2013·山东，26)Mark needs to learn Chinese________his company is opening a branch in Beijing.
#67436
A
unless
B
until
C
although
D
since
---Look, what have they done? ---Sorry. I think if I __________ another chance, I’ll do it better.
#41391
A
give
B
will be given
C
will give
D
am given
If he ___________ on time, we will go without him.
#40990
A
doesn’t come
B
don’t come
C
didn’t come
D
comes