----- Nội dung dịch tự động từ ảnh ----- V. Rewrite the following sentences using questions words + to-infinitive. 1. Could you tell me when I should explain everything to our teacher? 2. I don't know what I should do to make my mother happy. 3. She wondered how she could tell her mother about the stolen bicycle. 4. We are not sure what we should do to make our house more beautiful at Christmas. 5. My mother can't decide where we should go at summer holidays.