英语高手快请进在横线上填上合适的单词补全对话.David:____ are you going to school to

英语高手快请进
在横线上填上合适的单词补全对话.
David:____ are you going to school today?
Caleb:I want to go by _____ because it is fast.
David:Yes,____ Dad alresdy left for _____,and hr took the car.
Caleb:Oh!Well,I will go _____ bus then.
David:But you do not have any money.
Caleb:Right,I forgot.I will go by _____.
David:But Caleb,your bike is ______!
Caleb:Oh,David!I forgot that,______.
David:So you have to ______.
Caleb:Yes,I will go to school ______ foot.