The glass door have taken the place of the wooden ones at the entrance, _____ in the natural light during the day.
I'd rather have a room of my own, however small it is, than __________ a room with someone else.
In the 21st century, all nations must take their __________ of responsibility for the global safety.
-I wonder if you could __________ me a little time to help with my English tonight?-__________. I have no extra work to do anyhow.
While you were out, you should keep your doors and windows __________.
Not recognizing me at first,__________.