Đề bài là cái đoạn văn lúc nãy nha mọi người giúp mk với 
 
----- Nội dung dịch tự động từ ảnh -----
C. A warning about the approach of people
D. A warning to stop singing.
4. What do most birds usually do if they cannot sing well ?
A. warn other birds to go away.
B. give their information in another way,
C. find a wife.
D. fly high in the sky.
5. What is one bird's unusual way of attracting a hen bird ?
A. It dances.
B. It spreads out its tail.
C. It searches for a wife.
D. It uses shells and flowers to make a garden.