Bài 2. Viết câu dưới đây theo cách khác, sửr dụng “might' hoặc “may" Ví dụ : Perhaps Helen is in her office- Perhaps Helen isn't in her office-> She might not be in her office. 1.Perhaps Helen is busy. She might be in her office. 2. Perhaps she is working. 3. I'm not sure that Liz will comc to the party. 4. Perhaps she wants to be alone. 5. perhaps she was ill yesterday. 6. I'm not sure that Sue wil be able to come out with us this evening. 7. Perhaps she went home carly. 8. I'm not sure thats I'll go out htis evening. ord: 274.269