have an opportunity to do与doing的区别?Last month i had an opportunity ____ at the local hospital.为什么上空填的是volunteering,而不用to volunteer

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/01 03:37:27

have an opportunity to do与doing的区别?Last month i had an opportunity ____ at the local hospital.为什么上空填的是volunteering,而不用to volunteer
have an opportunity to do与doing的区别?
Last month i had an opportunity ____ at the local hospital.
为什么上空填的是volunteering,而不用to volunteer

have an opportunity to do与doing的区别?Last month i had an opportunity ____ at the local hospital.为什么上空填的是volunteering,而不用to volunteer
就是to volunteer,不是volunteering

大哥,ing形式的动词可以用来修饰名词,opportunity是名词,所以用ing形式来修饰,to+do是目的而volunteer如果在to后面也是动词,而且是及物动词后面要跟宾语,而volunteer 后面是at引导的地点状语,所以用volunteer+ing