The moonlight (月光) goes into the room __________ window.
-Is this kind of digital camera made of steel?-Yes, and it's widely used ______ taking photos.
-_____ is the population of America?-I don’t know. But I know it’s ______ than that of China.
- I like reading story books. - _______.
She has worked in this factory ______ she came here in 2010.
- How long has David’s grandfather ______? -About two months.