If you want to talk to your teacher,you should _____first.A.to call her up B.call her up 为什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 07:04:00
If you want to talk to your teacher,you should _____first.A.to call her up B.call her up 为什么?

If you want to talk to your teacher,you should _____first.A.to call her up B.call her up 为什么?
If you want to talk to your teacher,you should _____first.
A.to call her up B.call her up 为什么?

If you want to talk to your teacher,you should _____first.A.to call her up B.call her up 为什么?
B
should情态动词,后面跟动词原形

B should后用动词原形

B should情态动词,后面直接跟动词原形,不需要加to.