Tìm lỗi sai và sửa lại cho đúng 1. Whether he approves of our plan or not, it will depend on what impression we make on him A. of B. or not C. it will D. on him 2. I stopped smoking because the doctor had told me that i should give it up if i want to be healthy. A. smoking B. had C. should D. want to be 3. For my mind, the whole affair is something of a mystery, isn't it? A. For B. whole C. of a D. isn't it