老师有问题请教：
          句型转换：1.  It is hard for me to reach the doorbell.
                        I(   ) (   ) (   )to reach the doorbell.
                   2.  All the students thanked the teacher because he
taught them very well.
                       All the students thanked the teacher(  )(  )them
very well.
                   3.Tom is over seven and he can go to school now.
                     Tom is (  ) (  )(  )Mike.
                     Tom and Mike are (  ) (  ) (  ).
          英汉互译：  1争取不迟到
                     2他发现这道数学题很容易解。