1. The doctor told him to take the m_______ twice a day.
2. John has a good m_______. He can recite this text from the beginning to the ending.
3. We should always remember “L _______ first. ”
4. In our English class, our teacher often use the r_______.
5. I used my v______ camera to record the whole process(过程) of their wedding(婚礼).
