Unit 1 Never Say GoodbyeKey to the ExercisesText ComprehensionIV. Explain in your own words the following sentences.1. Our big old house had seen the joys and sorrows of four generations of our family.2. I planted these roses a long time ago before your mother was born.3. Many young men left home to fight against fascists.4. Take the first friendly greeting and always keep it deep in your heart.TranslationI. Translate the following sentences into Chinese.1. 我十岁那年，突然要搬
