—What do you think of teaching, Bob?—I find it fun and challenging. It is a job ______ you are doing something serious but interesting.
#75299
A
where
B
which
C
when
D
that
推荐题目
Several professors from Peking University came to visit our school, to my surprise, one of ________ was my aunt.
#77131
A
them
B
those
C
which
D
whom
BrainPOP is an educational program consisting of brief animated videos _____ a man named Tim and his robot friend Moby discuss various subjects.
#76882
A
in which
B
which
C
as
D
in that
The reason ____ he explained to us was ____he overslept.
#78026
A
why; that
B
why; because
C
that; because
D
which; that