Listen and fill in the blanks.
Hello. I'm William Lawday. I'm a gardener. Today, I'm going to tell you how to ____________(1) a tree. First, ____________(2) the seeds and a shovel. Then, ____________(3) the soil and ____________(4) a hole. Next, ____________(5) the seeds in the hole and ____________(6) them. Don't forget to water the ____________(7) till they ____________(8). Come on kids! Let's plant more trees, we need them for clean and fresh air.
Listen and complete the sentences.
1. Rainforests are necessary because _________________________________ .
2. Wild animals are important for _________________________________ .
3. We should recycle _____________________________________________ .
4. If the greenhouse effect increases, _________________________________ .
5. We should use ________________________ to ________________________ .