问题

Having finished her own painting, Mary went on others in the art class.
A:helping
B:to help
C:with help
D:having helped
B:to help
C:with help
D:having helped
正确答案是:
同类题型
Though having lived abroad for years,many Chinese still the traditional customs. [ ]
Do you know slim girl with long curly hair– Yes. She’s university student from the UK.
Who is that man sitting there______—-Well, if you must know, his name is Jack.
Where ________ you _________ —I went to see the football match.