I think Dr Seuss has a way of making the books and easy read. Especially when it comes to kids he always is a fanatic in rhyming but it helped kids read easier. That's why I think hes popular for his writing.
        
                    
             
        
        
        
I think sentence 11..... but I’m not 100% sure
        
             
        
        
        
Answer: 1,2 - DEC. 3,5 - IMP, 4 - INT.
Explanation:
Declarative sentence means to declare something. It is just a simple sentence stating something. The below statements are an examples of declarative sentence.
•	If you listen carefully, you can hear many night sounds other than insects.
•	I am not sure I can finish War and Peace in only three weeks.
Imperative sentences are those which gives an order, makes a suggestion, or requests for something. The following sentence, ‘Look out for those dogs’ is an example of imperative sentence. The sentence ‘Mahmoud, please list every message that comes in’ is also an imperative sentence because here ‘please’ indicates request. 
Interrogative sentences are the ones which asks for an information or question. In the sentence ‘Why aren’t you applying for more scholarships?’ a question is being asked.