Declarative, interrogative, or imperative

Will someone please correct me if i am wrong. and tell me what i am doing wrong.

Classifying Sentences as Declarative, Interrogative, Imperative, or Exclamatory.

Dec. for declarative, inter. For interrogative, imp. For imperative, or excl for exclamatory and the proper end punctuation.


_inter_1. What makes you ask?



_dec__2. Watermelons are related to cucumbers, which are vegetables.



excl 3. How sweet this melon is!



Inter 4. Didn’t David Livingstone Find watermelons in the desert?



___imp 5. Please cut this melon in half, then into slices.