The four years, from 1860 to 1864 ___ Lincoln spent fighting for freedom of the slaves is the time ___ the American people will never forget.
A.when; when | B.which ; that | C.when; which | D.which; when |
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The four years, from 1860 to 1864 ___ Lincoln spent fighting for freedom of the slaves is the time ___ the American people will never forget.
A.when; when | B.which ; that | C.when; which | D.which; when |