How long can I keep the library book?为什么不能用could啊?
How long can I keep the library book?为什么不能用could啊?
Could you tell me how long I can keep the book.为什么用I can
Could you tell me how long I can keep the book?
How long can I keep them.为什么用的是keep(保存)而不能用bor
How long can I keep this book?是什么意思
How long can I borrow the book?
How long can he keep/keeps the book?
How long _______ the book _________(can keep)?
How long may i keep the book 什么意思
How long ___he____ the library book.
how long can I ___ the book?A lend B borrow C get D keep 为何选
How long —l keep the book.