会计等式包括（）。

I will not lend the book to you ______ you can return it in time.

A．in case

B．so that

C．unless

D．if

1 will lend you the book ______ you return it to me in time.

A.on condition that

B.in case

C.in order that

D.so that

听力原文：W: Will you lend me the book？ I'm sure I can finish reading it before Friday.

M: I do think that I myself should be the first reader.

Will the woman get the book she wants？

A．No, she won't.

B．Yes, she will.

C．Yes, but after Friday.

D．Yes, but she must return it.

I’ll lend you my care ______ you return it in time.

A、so far as

B、as long as

C、unless

D、until

听力原文：W: Can you lend me the book？

M: Sure. But can you promise to return it before the weekend？

Will the woman get the book she wants？

A．No, she won't.

B．Yes, But not now.

C．Yes, but she must return it before the weekend.

D．No, the man hasn't got the book.