单项选择题

The situation today is obviously quite different from ______ it was only 50 years ago.

A．which
B．what
C．when
D．such
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单项选择题
I'm sure he is up to the job ______ he would give his mind to it.
A．if only
B．in case
C．until
D．unless
单项选择题
______ I admire David as a poet, I do not like him as a man.
A．Much as
B．Only if
C．If only
D．As much
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