Susan______ a book about cooking last year but I dont know whether she has finished it.A.

外语类 正确答案 已帮助 人

Susan______ a book about cooking last year, but I dont know whether she has finished it.

A.was writing

B.has written

C.wrote

D.had written

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。