ex 1.
1. 1
2. 2
3. 1
4. 1
ex 2.
1. False
2. True
3. False
4. False
ex 3.
1. January
2. February
3. March
4. April
5. May
6. June
7. July
8. August
9. September
10. October
11. November
12. December
ex 1.
1. 1
2. 2
3. 1
4. 1
ex 2.
1. False
2. True
3. False
4. False
ex 3.
1. January
2. February
3. March
4. April
5. May
6. June
7. July
8. August
9. September
10. October
11. November
12. December