【往期回顾】一课一题一语法：新概念英语第1册第57-58课下面是第57-58课的参考答案：【答案】1. He _is climbing_ (climb) the tree at the moment.2.
【往期回顾】一课一题一语法：新概念英语第1册第59-60课下面是第59-60课的参考答案：【答案】1. She does not have any friends here.2. Do you have any important calls to make?3.
