Question

【题目】Having finished her own painting, Mary went on others in the art class.

A. helping B. to help C. with help D. having helped

Answer 1

【答案】B

【解析】句意：做完她自己的绘画，在美术课上玛丽继续帮助他人。go on to do 继续做另一件事；go on doing 继续做同一件事； go on with + 名词。这里其前后是2件事， 故选B。