In Spanish-speaking countries, people use less personal space than in the U.S. Men never greet with a kiss in Spanish-speaking countries. Shaking hands is not appropriate for a business setting in Latin America. Spaniards greet with one kiss on the right cheek. (Chegg)
Las nueve y trece is the answer
The answer is b ,capital letter is missing at the beginning of the sentence.
A. han leído
Ellos han leído dos libros durante las vacaciones.