Unit 2 A Visit to the Zoo Part A,Lets learn,A: Dad, I want to see elephants. Where are they,B: There are some elephants near the lake,A: Dad, I want to see monkeys. Where are they,B: There are some monkeys on the tree,A: Dad, I want to see lions. Where are they,B: There are some lions near the gate,Lets do,A: Mom, I want to see pandas. Where are they,B: There _,There is a panda in the tree,A: Mom, I want to see penguins. Where are they,B: There _,There are some penguins