问题

Jane, have you finished yourpaper?—No, Imy sister with her homework all the morning
A:help
B:have been helping
C:helped
D:was helping
B:have been helping
C:helped
D:was helping
正确答案是:
同类题型
Mary divorced again last week. — Why did she do a thing like that? It seems to make no _____.
Ted didn’t say sorry to his friend, Nancy, ______ he argued with her.
Comrade Wang ________ be in Shanghai—I saw him in the company only a few minutes ago.
Millie was born on Feb. 22. The picture ofher star sign is Do you know the name of the sign