Complete the sentences with the words below. Use each word only once. cold cool freezing hot mild sweltering 1 The temperature was -20°C. It was ___________! 2 San Diego has a ___________ climate. The average temperature is 23°C. 3 It was a ___________ day, it was so hot we couldn't go out. 4 The city is warm in the summer, but it's always pleasantly ___________ by the sea. 5 It's too ___________ in this house. It's only 10°C! 6 It's a bit ___________ in the classroom. Let's open the window.