A. People should not bring plastic bags into the park. B. People must recycle their plastic bags after use. C. People must throw plastic bags in the recycling bin. D. People should avoid using plastic bags in the park.
16. What does the sign mean?
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**NO Littering**
A. You should throw trash here. B. Do not litter in this area. C. Littering is allowed. D. Please leave trash on the ground.
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**READING**
Bạn cần phân tích theo dạng (A, B, chọn D) đã đề cập trong đoạn văn sau.
My grandparents (1) live in the countryside/ have a big garden. They spend a lot of time working on it. When I visit them in summer, I often help in the garden, and they teach me a lot of things about vegetables. Vegetables come in different shapes, sizes, and colors.