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1. It's today_________than it was yesterday.(warm)
2. Rio de Janeiro is one of______cities in the world.(beautiful)
3. The second question was____than the first one.(diffcult)
4. Australia is_____continent on Earth(old)
5. China is_____ country in the world.(populated)
Điền dạng đúng của danh từ vào ô trống
Complete the sentences with a/ an/ some