I'm tired now because I have been _the whole day.[ ]A. on foot B. on my feetC. off my feetD. un

题目简介

I'm tired now because I have been _the whole day.[ ]A. on foot B. on my feetC. off my feetD. un

题目详情

I'm tired now because I have been _    the whole day.      
[     ]
A. on foot                      
B. on my feet      
C. off my feet                    
D. under my feet
题型:单选题难度:中档来源:同步题

答案

B

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