Complete the text with the phrases below. There is one extra phrase (Hoàn thành văn bản với các cụm từ bên dưới. Có một cụm từ thừa)

We must (1) for our children and grandchildren. For too many years, people would (2) without realizing it is bad for our Earth. (3) often don't have enough water or land to grow crops because the environment has been destroyed. We need to help out if we want to conserve different types of plants and animals for future generations. We can all limit waste, reuse plastic bags and (4).