Choose the correct sentence and write.Đoạn văn13/13Exercise 6: Choose the correct sentence and write. How old is your sister? Is there a blanket on the bed? No, there isn’t. It’s nineteen. 1. What number is it? __________. 2.__________? She’s twenty. 3. Is there a cake on the table? __________. 4. __________? Yes, there is. Click vào chỗ trống để nhập đáp án. Nhấn Enter để xác nhận, Esc để hủy.Giải thích1. It’s nineteen.2. How old is your sister?3. No, there isn’t.4. Is there a blanket on the bed?