II. Hoàn tất đoạn văn và trả lời các câu hỏi : 2 There are four ....................... in a year . They .................spring , summer , fall and .................... . In spring , the weather is usually ............................ Sometimes it is cold ................ not very cold . There are many flowers ................ spring . In summer , the days are longs and the nights are ................. People often ....................... to the seaside in this season. Fall is the season of fruit . People can enjoy different kinds of fruits , especially in tropical countries like Viet Nam . In winter , it ...................... usually very cold . The days are short and the ...................... are long. 1. How many seasons are there in a year ? 2. What is the weather like in spring ? 3. What are there in spring ? 4. Are the nights long or short in summer ? 5. What do people often do in summer ? 6. Which is the season of fruit ? 7. Is Viet Nam a tropical country ? 8. Are the days long in winter?