Daniel is a model student.He works very hard and is（）to his teachers.

Some women are motivated to work（）professional interests and a desire to contribute to society.

A．because of
B．as to
C．regardless of
D．in spite of

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One of the most important battles of the American Civil War took（）at Gettysburg，Pennsylvania，in 1863.

A．position
B．part
C．place
D．chance

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