Who was probably the more important factor in the success of slaves' escape？
A. Conductor.
B. Abolitionist.
C. Slave.
D. Free black.
A．ageB．agesC．agedD．ageing
A. age
B. ages
C. aged
D. ageing
A．mindsB．partnersC．bodiesD．board
A. minds
B. partners
C. bodies
D. board
Which statement of the following is true？
All the cases of black people's escape are true.
B. All the assistance to slaves was given by Underground Railroad.
C. The escaping slaves usually went to Canada by train.
D. It is a metaphor to call the person who gave help to the escaping slaves conductor.
微信支付 
支付宝支付