_______ puzzled Li Lei a lot was _______ his best friends didn’t come to school this morning．
#79385
A
That; why
B
That; what
C
What; whether
D
What; why
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The only existing problem is ____ we can find this special wood in the forest in such a short time.
#79383
A
when
B
where
C
that
D
whether
____ made the school proud was _____ more than 90% of the students had been admitted to key university .
#79398
A
What;because
B
What ;that
C
That;what
D
That;because
He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
#79369
A
why
B
how
C
because
D
whether
The reason why they failed the test was ____ they didn’t sleep at all the night before.
#79384
A
because
B
why
C
that
D
for which
_____ the doctors really doubt is _____ my mother will recover from the serious disease soon.
#79454
A
What; when
B
That; how
C
What; whether
D
That; what