A. How long can we borrow these bikes? ​(Correct)​

  How long can we borrow these motorcycles? (Correct)​

  How long can we borrow these busses? (Correct)​

B.It is lizard.  What do you have pets? --> It's a lizard. What kind of pet do you have?

=> Corrected: The sentence is corrected grammatically.​

 I have cats. --> I have a kitten.

=> Your sentence has a correct grammatical structure, but this has the correct usage/expression.​

 What is it animal? --> What animal is that?

=> Corrected: The sentence is corrected grammatically.​