1．我们九点半钟上数学课.
      We ________ ________ lessons at ________ ________ nine.
2．晚上十点我做作业.
      I ________ ________ ________ at ten ________ ________ ________.
3．他喜欢读许多书和杂志.
      He likes ________ ________ ________ books and ________.
4．他们经常去看音乐会.
      They often ________ ________ the ________
5．我想喝一杯加糖的咖啡.
      I ________ like a cup of coffee ________ sugar.