There is a mountain_____the top is always covered with snow.
#73714
A
whos
B
of which
C
its
D
that
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Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.
#67377
A
whenever
B
however
C
whichever
D
wherever
The square box has a door, there are some buttons.
#70254
A
beside it
B
beside which
C
beside that
D
beside what
_______ you may have， you should gather your courage to face the challenge.
#67911
A
However a serious problem
B
What a serious problem
C
However serious a problem
D
What serious a problem
Professor Zhang gave all the textbooks to all the pupils, except ________ who had already taken them.
#72813
A
these
B
ones
C
the ones
D
the others
—Where did you find our chemistry teacher? —It was in the lab ______ he was doing his experiment.
#67244
A
that
B
where
C
which
D
in which