Jack differs from his classmates____he devotes his spare time to improving his English.A.in thatB.in whichC.in whomD.in what
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Jack differs from his classmates____he devotes his spare time to improving his English.A.in thatB.in whichC.in whomD.in what
Jack differs from his classmates____he devotes his spare time to improving his English.A.in that
B.in which
C.in whom
D.in what
Jack differs from his classmates____he devotes his spare time to improving his English.A.in thatB.in whichC.in whomD.in what
Jack differs from his classmates____he devotes his spare time to improving his English.
A.in that B.in which C.in whom D.in what
答案 A 杰克不同于他的同学们在于他把业余时间专用于提高英语了.
devote ...to “1 献身于…；致力于 2.将…奉献给；把…专用（于）3 献身于…,专心于”
首先要分析该句是不是定语从句,定语从句中都缺少某个成分,该成分被提到前面,用先行词来替代,即先行词要在从句中充当某种成分.如果是定语从句,那先行词是什么,先行词通常都是名词或代词.
然后再根据先行词选择适当的关系词与之搭配.
该句前面只有classmates可作先行词,而后半句是个完整的句子,he（主语）devotes（谓语动词）his spare time （宾语）to improving his English （补语）.在后面从句中找不到缺失的成分可由classmates来充当,故classmates不是先行词,该句也不是定语从句.
根据前后的句意可知,后半句是前半句的原因,所以选A in that “在于,因为；在于,原因是”
这个句子的意思是：杰克和他同学的不同之处在于他把课余时间都用来提高英语了。in+that从句是由介词in引导的宾语从句，这个从句中不缺少成分，所以用that引导。如果缺少成分才用其它选项。
Ain that=because，表示因为，符合句意。
B differ from sb in sth 在某方面 和人 不同 在这里 修饰的是 事情 用 which、做 宾语