Unit 4 January is the first month. Lesson 24 习题 2一、选择。1. People celebrate Spring Festival in _.A. January B. February C. March D. April2. Easter is usually in _.A. April B. June C January D. March3. The first day of _ is Childrens Day.A. May B. March C. June D. February4. Its _. People are celebrating Labour Day.A. June B. January C. April D. May5. The children are planting trees in _.A. April B. March C. May D. June