Điền vào chỗ trống một đại từ thích hợp sử dụng gợi ý cho trong ngoặc đơn. E.g. My pen is new, but his is old. (he) 1. His shirt is blue; and the red shirt is ..... . (she) 2. That is our car. This is ..... . (they) 3. Here is my book, but the book on the desk isn’t ....... . (I) 4. There is a laptop on the floor. Is it ...... ? (you) 5. The bags hung on the wall are ...... . (we)