- Could you do me a favour and take these books to my office?- Sure _______.A:for ple

继续教育 专四考试 已帮助 人

- Could you do me a favour and take these books to my office?

- Sure, _______.

A:for pleasure

B:I could

C:my pleasure

D:more pleasure

热搜:n维列向量组a1,an-1线性无关,且与非零向量正交