It become much _______ to provide enough energy for a big city with large population.

－Jim, how about keeping a dog as a pet－Good idea! but I prefer to have a cat. The dog is _____ to look after.

I have two friends. One is the same ____ me and the other is different _____ me. [来

Jenny, do Chinese people celebrate Easter Day— No. This is the first time I’ve celebrated festival.

You are very good___ stories.