B (trang 98 Tiếng Anh 7 Explore English): Complete the sentences. (Hoàn thành các câu sau)
1. The bridge near Baten broke in 2012 because of________
2. Villagers in Zhang Jiawan hold the ladder when someone else is climbing because_________
3. The daily commute of children in the Rio Negro Valley is breathtaking because they ride on a metal cable______
4. The cable is too dangerous when it rains, so children in the Rio Negro Valley_____
1: heavy rain
2: the ladders is not tied to the mountain
3: 400 meters above the valley
4: stay home