The moment ________ Leo will never forget is________ Mr. Smith gave him a lot of valuable advice on how to improve his writing.
#31876
A
that; when
B
that; that
C
when; that
D
when; /
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(2013·山东济宁模拟)It is by no means clear ________ the president can do something to end the strike.
#30531
A
whether
B
which
C
that
D
what