Amy usually __________ from school, but today she goes home by bike.

A．walk home

B．walk to home

C．walks home

D．walks to home

“西纪一千五六百年之交，全欧沿岸诸民族，各以航海业相竞。……□□□沿亚非利加南岸，逾好望角，达印度，回航以归欧洲。” 在□□□填写的航海家应是

A．迪亚士

B．达伽马

C．哥伦布

D．麦哲伦