Question

below are the sentence in active/passive voice. out of the three alternatives suggested ,select one which express the same sentence in passive/active voice
1. when did he return my book ?
a) when were my books returned by him?
b) when will my books be returned by him ?
c) when has he returned my books?​

Answer 1

Answer:

Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power and other natural sources, which are called primary sources.

Explanation:

sorry for wrong answer