(2013·北京，26)—What do you think of teaching，Bob?—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
#30496
A
where
B
which
C
when
D
that
推荐题目
A week-long raining is coming, _________, the farmers say, will do harm to the growth of plants.
#34433
A
it
B
that
C
what
D
which
______ you are supposed to do ______ you don't like a thing is ______ it. Don't complain.
#29993
A
That; what; change
B
When; that; to change
C
What; when;to change
D
What; that; changing
Being a teacher, you must observe your behavior, for ________ you say and do has a life-long effect on your students.
#30881
A
that
B
which
C
what
D
as
I think you should work harder ________ you are satisfied with the way things are.
#30410
A
if
B
when
C
since
D
unless