问题描述：
这里有三道英语选择题,帮我分析分析到底选哪个答案?并说明为什么?
1.Wilma became the first American woman to win three Olymic gold medals in track ,_____made her mother very pround.
A.it B.that C.which D.this
2.I can never foget the day _____we worked together and the _____ we spent together.
A.when,which B.which,when
C.what,that D.on which,when
1.Wilma became the first American woman to win three Olymic gold medals in track ,_____made her mother very pround.
A.it B.that C.which D.this
2.I can never foget the day _____we worked together and the _____ we spent together.
A.when,which B.which,when
C.what,that D.on which,when
问题解答：
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