A．Lincoln prepared his speech very carefully before he went to Gettysburg B．Lincoln was very busy at the time and didn’ t have much time to prepare his speech C．Lincoln’ s speech was full of rich words D．Lincoln’ s speech was very long
单项选择题57（）
A．against B．to C．from D．on
单项选择题A tunnel would be（）.
A．less expensive to be bulk than a bridge B．more expensive to be built than a bridge C．less expensive to be built than a rail D．more expensive to be built than a rail
