2 Read and write. 1 Skateboards (X, expensive) aren't as expensive as but they (=, exciting) are just as exciting 2 Motorbikes (=, fast) but they (X, safe) 3 Basketball (=, interesting) but it (X, popular) 4 In my town, buses (x, expensive) but they (=, comfortable) 5 I think maths (=, difficult) but it (X, interesting)