When asked to explain ________ made his lessons so exciting, the teacher kept silent.
#84693
A
what it was that
B
that what it was
C
what was it that
D
that what was it
推荐题目
—How unhappy your roommate looks!—Yes, but he's not willing to tell me what it is ________ is troubling him.
#84716
A
what
B
which
C
as
D
that
It was in the lab, ________ was taken charge of by Professor Curie, _______ they did the experiment.
#85369
A
where; that
B
that; that
C
which; that
D
which; where
--- Where did you find Lily?--- It is in the bookstore _________ she is working _________ I found her.
#85216
A
in which; where
B
which; that
C
where; that
D
that; where
