city of Nanaimo is home to the oldest and most famous bathtub boat race in the world. Today, Nanaimo World Championship Bathtub Race is a serious sport that attracts many racers and visitors from around the world. 21. Where do the grey whales start their annual trip? A . Vancouver Island C here in the open ocean B. the Arctic D. Mexico 22 . According to the reading,why is it easy for people to see the whales? A. The people use binoculars. B. The whales swim close to land. C. The people are also swimming in the water. D. They fly over the whales in helicopters. 23. What does the word "they "in the first paragraph means? A. festivals B. the whales C. people D. boats 24.Where does the Nanaimo Bathtub Race happen? A. Far off the north coast of Vancouver Island. B. On the South Shore of Vancouver Island. C. On the west side of Vancouver Island. D. On the east side of Vancouver Island. 25.What is special about every boat in the race? A. Each boat can carry three people. B. Every boat is made from a bathtub. C. Every boat gets a safety inspection. D. All the boats have sails.