Here are the correct answers to your questions:
Question 1
A) Mentir means that someone is not telling la verdad.
Question 2
A) The highest lake in Chile and in the World is the lake of Ojos Salados.
Question 3
A) One popular Chilean game is to fly a volantín.
Question 4
A) Which of the following means teddy bear?
The answer is el oso de peluche.
Question 5
A) La moneda is a coin.