1, Difficult as was the homework, I tried my best to do it.
A, Difficult as B, was the homework C, tried my best D, to do
⇒as the homework
2, Although my village isn't far away from he city centre, we had no electricification until recently
A, Although B, far away from C, electricification D,until recently
⇒elecity
3, Thousand of people are going starving because of the failure of this year's harvest A, Thousand B, are going C,starving D, because of
⇒Thousands
4, Let's wait here for her. I'm sure she'll turn out before 8 a.m
A, Let's wait B, for C, I'm sure D, turn out
⇒arrive
5, Not only did she pass the exam but did she also get a scholarship
A, Not B, did she pass C, did she also get D, a
⇒got