_____ in the library regulations that any book borrowed be returned by due time, or the borrower will be fined．
#78012
A
What is required
B
It is required
C
As is required
D
Which is required
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The engineer spoke highly of the government’s efforts, ____ he owed his safe return from Libya.
#76994
A
through which
B
to which
C
with whom
D
for whom
(2014·陕西咸阳二模)The official________I thought would be seriously punished received a raise instead.
#75095
A
whomever
B
whoever
C
who
D
whom
It was a meeting _________importance I did not realize at that time.
#76631
A
that
B
which
C
its
D
whose
The reason he explained for his being late is he got up late.
#76992
A
why, that
B
that, that
C
for which, because
D
that, because
Mary was much kinder to Jack than she was to the others, , of course, made all the others upset.
#77487
A
who
B
that
C
what
D
which