题目内容：
After a knock at the door, the child heard his mother’s voice ______ him.A、 calling
B、 called
C、 being called
D、 to call
参考答案：
选择题：After a knock at the door, the child heard his mot
- 题目分类：石家庄铁道大学-大学英语III
- 题目类型：选择题
- 查看权限：VIP
A、 calling
B、 called
C、 being called
D、 to call