Ask sk the children to open their books at pages 4 and 5. Draw their attention to the unit title and explain the meaning of imagination if necessary. Read and discuss the questions with the class. Encourage them to use as much English as possible, but let them use L1 where necessary. First read the words in red and explain their meanings where necessary (or you could give the children a few minutes to look up the words in dictionaries). Model and drill pronunciation.