Viết lại câu sao cho nghĩa ko đổi. 1. I last had my hair cut in November. => I haven't ............................................................... 2. The last time we called each other was 5 months ago. => We haven't ........................................................... 3. It is a long time since we last met. => We haven't ............................................................. 4. When did you have it? => How long ...................................................................... 5. This is the first time I had such a delicious meal. => I have never ............................................................ 6. I haven't seen him for 8 days. => The last ...................................................................... 7. Today is Saturday. I haven \'t taken a bath since Wednesday. => It is ................................................................................