Unit 4 Save the trees(Reading )Get readyReadingRead an interview about trees.Listening Listen to a radio programme about pine trees.Grammar Learn how to use the present continuous tense.Speaking Discuss the importance of trees.WritingDescribe some pictures.branch fruit leaf root fruitleaf (leaves) rootbranch(es)What do trees do for us?A. They help fight against pollution.B. They provide us with wood, fruit, etc.C. They are home to birds and animals.D. All of the above.Before you read1. What do y