Read the Reading Strategy. For questions 1-4, choose the correct option (a-d). (Đọc Chiến lược Đọc. Đối với câu hỏi 1-4, chọn phương án đúng (a-d).) On Sam's first holiday without his parents, he a. walked all the way to the Lake District. b. had to hitch-hike across some mountains. c. kept warm, but couldn't keep dry. d. ate less food than he wanted to eat.