The nurse should care __________ the patients day and night.[ ]

You are never _______old _______study English. [ ]

Iamtootired,father. ________havingarest?[ ]

Tom, you look tired this morning. What’s wrong? —I was so busy that I didn’t go to bed _______ 12 o’clock last night. [ ]

Cathy spent a lot of money on her son’s study.