The two girls are so alike that strangers find __________ difficult to tell one from the other.
The discovery of new evidence led to _________.
May I take this book out of the reading room? No, you . You read it in here.
Little about her own safety, though she was in great danger herself.
—Have you finished your first paper? -- . Just half of it. How about you?
---what kind of house do you want to have? Something big? ---Well, it be big---that is not important.