The answers will be two words. One letter from the first word is changed to get the second word.
-1. What a pathetic entryway. 4 letters each
-2. The opening of a letter to Yogi. 4
-3. A forbidding smile. 4
-4. What a difficult lawn!. 4
5. That is such an angry notebook. 3
-6. Aren't those such kind rodents? 4
-7. A sunflower-colored man. 6
-8. A hot benign skin growth caused by a virus. 4
9. Unhappy syrup. 3
-10. A rude dinner. 4