—What do you think of teacher，Bob?—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
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A
where
B
which
C
when
D
that
推荐题目
Mark Twain worked for several years as a pilot on a steamboat, taking passengers up anddown the Mississippi, the great river ___flows from the north of the US near the Canadianborder.
#77611
A
as
B
what
C
which
D
who
A woman with a bleeding hand hurried in and asked, “Is there a hospital around _____ I can get some medicine for my wounded hand?”
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A
that
B
which
C
where
D
what
The boy asked his mother _______ go out to relax himself or not.
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A
whether could he
B
if he could
C
that he could
D
whether he could
Is this the reason _____ at the meeting for his carelessness in his work?
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A
what he explained
B
why he explained
C
he explained
D
how he explained