Choose the letter A, B, C or D to complete the sentences Question 1: The Sahara is ____________ desert in the world. A. bigger B. more big C. the biggest D. big Question 2: If you travel to a forest, you should bring a tent, a torch and a ___________. A. sleeping bag B. waterfall C. mountain D. valley Question 3: We use ____________ to cover the pain. A. compass B. plaster C. forest D. computer Question 4: ____________ is essential when you go to the beach. A. sun scream B. pain killer C. sleeping bag D. walking boots Question 5: I think Son Doong Cave is by far ____________ cave in Vietnam. A. beautiful B. the most beautiful C. more beautiful than D. most beautiful than Question 6: Ha Long Bay is one of the Seven ____________ of the world. A. beauties B. cuisines C. agents D. wonders Question 7: To climb that mountain is a ____________ experience. A. thrilling B. diverse C. essential D. traditional Question 8: No country in the world is ____________ than Russia. PlayUnmute Fullscreen VDO.AI A. more big B. bigger C. biggest D. most big Question 9: ____________ is a low area of land between hills or mountains. A. a river B. a desert C. a cave D. a valley Question 10: We can see ice, penguins, and polar bears when visiting ____________. A. Asia B. Europe C. Antarctica D. Oceania giup minh nha