Although ______ American literature he failed to remember the writer of the masterpiece.A

外语类 公共英语 已帮助 人

Although ______ American literature, he failed to remember the writer of the masterpiece.

A.he was knowing

B.he is knowing

C.knows

D.having a knowledge of

热搜:关于氨基酸代谢错误的论述是_________。