Объяснение:
8) Nothing did we know about his planning to start up a new project on recycling paper.
9) Not only did he give her flowers but also bought a silver bracelet as well.
10) Neither could Jack see anything in this thick fog nor could he hear a pin drop.
11) Not only does deforestation reduce the number of trees, but it also affects biodiversity.
12) On any account must you leave the picnic spot with burning camp-fire.
