it is hard to imagine how people will get through the winter without electricity 如何翻译? 这是什么句式? 分析一下句子结构! 谢谢!什么是 复合句？？？it is hard to do sth 什么意思

英语翻译ElectricityElectricity is energy.Just like we eat hamburgers and chocolate to keep us going,machines “eat” electricity to keep them going.In our homes,electricity runs the lights,televisions,toys and other things.It’s hard to imagin It is hard to It is hard to wait It is hard to please It is hard to select! It is hard to study English g______well. it is time to study hard! why it is so hard to do It is hard to bear with criticism. it is hard to say 什么意思? It is hard to be a soldier. 是i find it hard to say 还是i find it is hard to say I found it hard to understood为什么不是I found it is hard to understood it is hard to+Ving还是to do sth to explain it to him is hard同义句 ‘It is hard to reciprocate equal love to each other. it is too hard For a time his grandmother found ___accept his new idea.A.hard B.it hard C.it is hard to D.it hard to