问题

Shall we go by car or walk there? —It’s quicker to go during the rush hour, I think.[ ]
A: on feet
B: on foot
C: by foot
D: by feet
B: on foot
C: by foot
D: by feet
正确答案是:
同类题型
To value time, one should live each day as if it _____ the last day of life.[ ]
The manager urged older staff ________early retirement and new staff _______ more time for work.
Many people buy the coats made of animals’ fur.—________ We should take action to protect animals.