Hoàn tất đoạn văn sau và trả lời câu hỏi There are four .... in a year.They .... sprin, summer,fall and .... .In spring, the weather is usually .... .Sometimes it is cold .... not very cold.There are many flowers .... spring .In summer , the day are longs and the nights are .... People often .... to the seaside in this especially in tropical countries like Vietnam.In winter, it ..... usuallyvery cold.The days are shorts and the ..... are long 1. How many seasons are there in the year? 2.What is the weather like in spring ? 3.What are there in spring ? 4.Are there nights long or shorts in summer? 5.What do people often do in summer ? 6.Which is the season of fruit? 7.í Vietnam a tropical country/ 8.Are the days long in winter?