作业帮I have two grammars ,____are of great use .A.all of which B.either of which C.both of thatD.both of with
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I have two grammars ,____are of great use .A.all of which B.either of which C.both of thatD.both of with
I have two grammars ,____are of great use .A.all of which B.either of which C.both of that
D.both of with
I have two grammars ,____are of great use .A.all of which B.either of which C.both of thatD.both of with
d 是both of which
首先从句的谓语是are 所以 b不对.由于有逗号,所以是不用that、
由于前面是two 所以不用all
D 这是一个定语从句 指两者 A不选 B是两者中的任何一个 应该用单数 题干是复数 而非限定性定语从句关系代词要用 which 尔不用that D 选项是打错了吧？
1.定性：由which引导的非限制性定语从句；
2.答案：题干空处应当填 both of which；
3.解释：which限制修饰 two grammars，可用them代替，将原句定语从句换成两个并列简单句即可容易理解。如I have two grammars, and both of them are of great use.
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1.定性：由which引导的非限制性定语从句；
2.答案：题干空处应当填 both of which；
3.解释：which限制修饰 two grammars，可用them代替，将原句定语从句换成两个并列简单句即可容易理解。如I have two grammars, and both of them are of great use.
祝楼主更上一层楼~！
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