单项选择题
She is not only my classmate（）also my good friend.
A.or B.but C.and D.too
单项选择题 She has been working hard day and night during these years（）she could pay for the lost necklace.
单项选择题 She had（）to do, so she was free.
单项选择题 She agreed（）me on this issue.
