阅读理解下面的短文，然后按要求答题。 There are twelve months in a year. The names of the twelve months are January, February, March, April, may, June, July, August, September, October, November, December. Each month has thirty days or thirty-one days. In a leap-year (闰年), February has twenty-nine days. A leap year comes once in four years. There are 365 days in a year. There are seven days in a week. They are Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. The parts of the day are morning, afternoon, evening and night. April, June, September and November have thirty days. All the rest have thirty-one days, except February alone. 1. Which month has twenty-nine days? [     ] A. Every month. B. Every month except February. C. February in each leap-year. D. February in every year. 2. Is Monday the first day of the week? [     ] A. Yes, it is. B. Yes, they are. C. No, it isn't. D. No, they aren't. 3. What day comes after Thursday? [     ] A. Wednesday. B. Friday. C. Saturday. D. Tuesday. 4. How many days are there in a year? [     ] A. 7. B. 365. C. 12. D. 29. 5. How many days are there in a leap-year? [     ] A. 364. B. 365. C. 366. D. 367.