Evidence has been found through years of study______ children’s early sleeping problem likely to continue when they grow up.
#67661
A
why
B
how
C
whether
D
that
推荐题目
(2013·四川南充市一模)My favorite writer is Mo Yan, some of ________ novels have a surprising ending.
#67289
A
whom
B
his
C
whose
D
which
It is such a modern machine ______ few of the workers know how to operate.
#71962
A
as
B
which
C
that
D
the one
The time is not far away______modern communications will become widespread in China’s vast countryside.
#72371
A
as
B
until
C
before
D
when