The moment ______Leo will never forget is ______he joined the Air Force
| A．when; that | B．that; that | C．that; when | D．when; / |
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After being broadcast on TV, the news was known by all ________.
A. at any time B. in no time 
all the time D. at one time
It occurred to me ________ Jack might be interested in the problem we had discussed.
A. what B. why 
how much D. that
Mary wrote books to earn money while John gained his wealth ________ selling Mary’s works.
A. with B. by 
on D. through
It took me quite a long time to ________the new environment here.
A. adapt to B. relate to 
apply to D. attach to
am practicing D. practiced推荐套卷
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