John likes walking in the open air. —__________.

Dick never eats vegetables, so this is not a _____ life.

Must I go to the shop with you，Mum?—Err… I can make it myself，Mike. You go with me.

Many people rushed to the supermarket and bought salt (盐) _______[ ]

The way _______ the scientist solved the problem was different from what the other scientists were used to.