Hydrogen，which is ______ than oil, is pretty easy to produce and does not harm to the environment.空格处为什么不能填 an energy source more abundant呢？如果这么填的话，an energy source 看做is 的表语，more abundant than oil 看做an energy source的定语。这样子的话...
1.I have a bike to repaired. 2.I have a bike to be repaired. 3.My bike needs to be repaired. 4.My bike need be repaired.5.My bike need repair.6.My bike needs repairing.7.The bike needs being repaired.1-2我有一辆需要修理的自行车。3-7我的自行车需要修理了。
...ween learning a nursery rhyme and transmitting it may be something from 20 to 70 years.这句话出自2009年专八改错题。答案是“把 something 改成 anything”，即：The period between learning a nursery rhyme and transmitting it may be anything from 20 to 70 years.答案解...
Indian women who died by suicide were more likely to be married, to be from more developed states and, by a large margin, aged below 35.
1.请问by a large margin是修饰谁？
2.aged below 35这里的below是副词还是介词？修饰谁？
They did the experiment as their chemistry teacher had instructed.这句话中的as引导方式状语从句，结尾能不能加them或to do，感觉这句话不完整，方式状语从句应该怎么用？Do it the way you were told. 这句话中结尾能不能加to do it？
老师，这是国外某大学关于论文抄袭的简单说明：In a situation where a student:—Found to be involved plagiarism, the offence and
will be dealt in accordance to XXX regulations on plagiarism请老师帮我分析一下句子的结构，谢谢！
Given the widespread hostility to “public” women in the eighteenth
century, was female political activity quite so unproblematic as these new
studies tend to assume?
Young children should learn how to look after themselves and independence.这个句子不正确吧，how to look after themselves 那么长，independence那么短，and前后并列，应该要长度差不多吧，可以怎么修改呢这个句子？