some languages are more difficult to learn than others russi

问题描述:

some languages are more difficult to learn than others russian ____
A such as B for example Cas well Dand so on
1个回答 分类:英语 2014-09-20

问题解答:

我来补答
能放在最后的是
B for example
再问: d为什么不行?
再答: 因为and so on前面的名词必须在句子中做宾语或者介词短语的宾语,例如 They increased their income by raising sheep and so on.他们通过养羊等方式来增加收入。而原句中主句已经不缺少其它成分了,没有后面的russian for example句子也是完整的,所以用for example这个介词短语做补语
 
 
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