I think _______ is meaningful to help other people.

Yang Shanzhou becomes well-known in China for planting so many trees for people.

Health is very important to us. We should eat more vegetables and fruit ____ too much rich food.[ ]

Must I feed the goldfish now? — No, you ______. But you must do it before supper.

Shall I take my swimming suit? -No, you ______. We will just go hiking on the mountain.