11. I ____ at her for several moments, desperately trying to remember where I’d seen her before
A. watched
B. stared
C. observed
D. glimpsed
12. ______, authorities allow about one ton to each foot of length
A. To calculate the weight of an average adult whale
B. They calculate the weight of an average adult whale
C. In the calculation the weight of an average adult whale
D. Even though they caculate the weight of an average adult whale
13. ______, Harry S.Truman was the thirty-third President of the United States
A. He was born and raised in Missouri
B. That he was born and raised in Missouri
C. Because he was born and raised in Missouri
D. Born and raised in Missouri