外研社版(主编:孙有中)·英语 Unit 1 The secrets of happiness AI 三重审校通过
题目
根据句意,用 should 或 shouldn't 填空:Tom often eats a lot of candy before going to bed, and now he has a toothache. He ___ eat so much candy at night. Also, he ___ brush his teeth twice a day to keep them healthy.