Choose the letter A, B, C or D to complete the sentences
Question 1: The Sahara is ____________ desert in the world.
Question 2: If you travel to a forest, you should bring a tent, a torch and a ___________.
Question 3: We use ____________ to cover the pain.
Question 4: ____________ is essential when you go to the beach.
Question 5: I think Son Doong Cave is by far ____________ cave in Vietnam.
Question 6: Ha Long Bay is one of the Seven ____________ of the world.
Question 7: To climb that mountain is a ____________ experience.
Question 8: No country in the world is ____________ than Russia.
Question 9: ____________ is a low area of land between hills or mountains.
Question 10: We can see ice, penguins, and polar bears when visiting ____________.
Question 11: My brother went to the ____________ to book tickets for his honeymoon.
Question 12: This is ____________ mountain I have ever seen in my life.
Question 13: What is the longest river __________ the world.
Question 14: Many people love ___________ when going to the beach.
Question 15: In order not to get lost, we need a ____________.