"AGCCR-Level G": HTML5 Crossword

Across

2. Please cover your mouth when you___ (5)
4. 5 cents (6)
5. Past tense of forget (6)
8. Synonym for happy (4)
10. There are 30 or 31 days in a ____ (5)
11. Antonym for ugly (9)
15. Medical professional whose abbreviation is Dr. (6)
16. By yourself (5)
17. When I'm hungry, I make a peanut butter and jelly____ (8)
18. Farm animal that shouts, "Cockadoodle doo!" (7)

Down

1. Not safe (6)
3. Large saltwater body of water; there are 7 in the world (5)
5. Antonym for lead (6)
6. Place or room to store a car (6)
7. Synonym for nothing (4)
9. A mistake or something not done on purpose (8)
10. Landform with peaks much taller than a hill (8)
12. Synonym for vehicle (10)
13. How is your aunt or uncle's child related to you? (6)
14. I use a _____ to eat spaghetti (4)