When asked to explain ________ he does to make his students so fascinated with his lessons, the teacher paused and thought deeply.
#69377
A
what it is that
B
that what it is
C
what is it that
D
that what is that
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________ difficult it might be, I will try my best to work it out.
#67778
A
Whatever
B
How
C
However
D
What
I don’t believe the reason ____ he has given for not coming to the lecture.
#73200
A
why
B
that
C
how
D
what
We're considering students' request ______the school cafeteria should provide more kinds of food．
#67553
A
how
B
what
C
that
D
whether
Evidence has been piled up ________ drinking water after getting up in the morning contributes to one's health.
#67192
A
what
B
which
C
if
D
that
The question ______ we can raise enough money for the project in a week is being discussed.
#67873
A
that
B
what
C
whether
D
which