.1 --------,I couldn’t lift the box.

.1 ________,I couldn’t lift the box.
A)As I might try
B)Try as I might
C)As try I might
D)Though try I might
2_________ ,I’ll love him all the same.
　　A)He were rich or poor
　　B)Be he rich or poor
　　C)Being rich or poor
　　D)Were he rich or poor
3_______ was the Erie Canal an engineering triumph,it quickly proved a financial success as well.
　　A)Not only
　　B)Only
　　C)It
　　D)Neither
4.They are unwilling________ their pictures hung in the corridor.
A)as we to have
B)as we have
C)as us to
D)as have we
5._________has not attained a state of complete coherence is true.
A)Cultural anthropology
B)Anthropology that is cultural
C)That cultural anthropology
D)Since cultural anthropology
6.In fact,Mary would rather have left for San Francisco _____in Los Angeles.
A)by staying
B)than stay
C)than have stayed
D)to stay
7.Only in recent years _____ begun to realize that wild dogs,kept within bounds,often do more good than harm.
A)people have
B)since people
C)have people
D) people who have