Since we talked about saving money, you’d better _____ the money to be spent on CDs.
— I regret _______ you that you failed the exam.— How I regret _______ so much time playing computer games.
The doctor insisted that the patient ______ seriously ill and that an operation _____ in no time.
When you’ve finished with that book, don’t forget to put it back on the shelf, _______?
I don’t think that the necklace is made of diamond, _______?
The radio club in our school, which is in ______ charge of HaoZhe, is much more than just ______music for everyone.