Evidence has been found through years of study __________ children’s early sleeping problems are likely to continue when they grow up.
#67550
A
why
B
how
C
that
D
whether
推荐题目
There was an old man wandering about the corner _____ waiting for someone.
#72474
A
even though
B
even if
C
as if
D
in case
The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.
#67898
A
being carried out
B
carrying out
C
carried out
D
to carry out
There are many new central leaders in China now, ________ many once worked in the western provinces.
#66787
A
in which
B
of whom
C
in whom
D
for whom
Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
#67941
A
which
B
that
C
what
D
whether