Viết lại câu.
1. The little boy doesn't get up late in the morning any longer.
=> The little boy
2. They hadn't brought along an umbrella. Therefore, they got wet.
=> Because
3. The air is badly polluted by exhaust fumes from cars.
=> Because there
4. I don't have a map, so I can't show you the way.
=> If
1 The little boy used to get up late in the morning
2 Because they hadn't brought along an umbrella, they got wet
3 Because there is so much exhaust fumes from car, the air is badlt polluted
4 If I had a map, I could show you the way