词汇选项
John is collaborating with Mary in writing an article.
A.cooperating
B.competing
C.combining
D.arguing
【正确答案】A
【答案解析】collaborating：合作，协作。cooperating：合作，协作。两者意思相近。
词汇选项
John is collaborating with Mary in writing an article.
A.cooperating
B.competing
C.combining
D.arguing
【正确答案】A
【答案解析】collaborating：合作，协作。cooperating：合作，协作。两者意思相近。
