23.Directions:Each of the following sentences has four underlined parts marked a,b,c and d.Identify

题目

23.Directions:Each of the following sentences has four underlined parts marked a,b,c and d.Identify the one that is not correct.Then,mark your answer by blackening the letter of your choice on the Answer Sheet.
After finishing his talk on economics in the Far East,Professor Wilson went on asking us to raise questions about his talk.
(A) finishing
(B) on
(C) went
(D) asking

答案

D应该改为 to askgo on doing继续做正在做的事情 如：I am going on watching TV 我接着看电视（我一直都在看电视）go on to do继续去做另外一件事如：I am going on to watch TV我接着去看电视（我原来没有看电视,...