--- How about going out for a break?
--- . We've been working for three hours.
| A．Take your time | B．It's my pleasure | C．Come on | D．I totally agree |
_____ born in Chicago, the author was famous for his stories about New York.
| A．Since | B．Once | C．When | D．Although |
_____ we stood at the top of the building, the people below were hardly visible.
| A．As | B．Although | C．Unless | D．In spite of |
Scarcely was George Washington in his teens _____ his father died.
| A．than | B．as | C．while | D．when |
_____ David goes, he is welcome.
| A．Whichever | B．However | C．Wherever | D．Whatever |
The house stood _____ there had been a rock.
| A．which | B．at which | C．when | D．where |