英语 用所给词正确形式填空1、The company promised _______ (return) the money to Mr.Green soon.2、The children are having fun _______ (play) games on the playground.3、The student had a warm discussion coming up many useful ways of ______(solve) their problems.
问题描述：
英语 用所给词正确形式填空
1、The company promised _______ (return) the money to Mr.Green soon.
2、The children are having fun _______ (play) games on the playground.
3、The student had a warm discussion coming up many useful ways of ______(solve) their problems.
答
to return
(in) playing
solving
答
1 to return（固定用法：promise to do sth '答应做某事')
2 playing（have fun doing sth 固定用法‘开得开心’）
3 solving （介词后的动词用ING形式）