When deeply absorbed in work，________he often was，he would forget all about eating or sleeping.
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A
that
B
which
C
where
D
when
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Zunhua is one of the famous tourism destinations, lies Donling, a group of the Qing Imperial Tombs.
#76366
A
20 miles northwest of it
B
20 miles northwest of which
C
northwest 20 miles of it
D
northwest 20 miles of which
More and more college graduates, the survey shows, feel it hard to find a satisfactory job.
#78240
A
what
B
who
C
as
D
that
Have you seen the film “Titanic”, ______ leading actor is world-famous?
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A
its
B
it’s
C
which
D
whose
She'll never forget her stay there ________ she found her son who had gone missing two years before.
#75565
A
that
B
which
C
where
D
when