Small _____ it is, the pen is a most useful tool.
A.because |
B.so |
C.if |
D.as |
The house stood _____ there had been a rock.
A.which |
B.at which |
C.when |
D.where |
_____ David goes, he is welcome.
A.Whichever |
B.However |
C.Wherever |
D.Whatever |
Scarcely was George Washington in his teens _____ his father died.
A.than |
B.as |
C.while |
D.when |
_____ we stood at the top of the building, the people below were hardly visible.
A.As |
B.Although |
C.Unless |
D.In spite of |
_____ born in Chicago, the author was famous for his stories about New York.
A.Since |
B.Once |
C.When |
D.Although |