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
Some pre-school children go to a day care center,____ they learn simple games and songs.
#73223
A
then
B
there
C
while
D
where
Electronic devices such as iPods and headphones can do great harm to our hearing if _______ improperly.
#67875
A
being used
B
used
C
to be used
D
having been used
– Can you tell me ___________? – An engineer from Jinan Iron and Steel Plants．
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A
what your friend is
B
who your friend is
C
what is your friend
D
who is your friend
The organizers promise ________ wins the first prize a chance to go abroad.
#67215
A
who
B
whom
C
whoever
D
whomever