.After he gave a report about the school,Mr.White____ the visitors around it.A.went on to show B.went on showing C.went on with showing D.kept on showing 为什么选A不选B?

问题描述:

.After he gave a report about the school,Mr.White____ the visitors around it.
A.went on to show B.went on showing C.went on with showing D.kept on showing
为什么选A不选B?

go on to do sth. 做完一件事紧接着做第二件事(一共两件事)
go on doing sth. 做着一件事继续还做这件事(只有一件事)

to do 表示做下一个动作
doing 表示接着上一个继续做

go on to do接着去做一件不同的事情
go on doing接着去做刚才的事情
题目是说怀特先生在学校做完报告后又去带人参观学校,这是两个不一样的事情,所以选A呀

go on to do sth.用不定式表将来