1.To make sure the driver （） him,he rang the bell twice.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/10/03 07:32:56

1.To make sure the driver （） him,he rang the bell twice.
这里答案是heard,能不能填had heard,为什么?
2.At that time ,bicycle riders were still trying to get used to the new set of wheels on the road.

1.heard him使别人听见自己说话,不能用had heard,是过去完成时,表示过去的过去收到某人的来信.
2.在那时候,骑自行的人在路上一直在尽力去习惯这种新轮胎.

He rang the bell. when the bell rang, He was about to go to bed when the bell rang. She ( )the door bell rang,when she ( ) to the music. ______ the moment bell rang. After making sure he had come to the right place,he rang the Student hurried to the class room___the bell rang. 英语翻译But it will be the driver’s responsibility to make sure the bell rang ( )the end of school the old man said he rang the bell for the boy. 英语翻译------my lunch,the bell rang. the door bell rang just now

1.To make sure the driver （ ） him,he rang the bell twice.

1.To make sure the driver （） him,he rang the bell twice.