问题
选择题
—Why is that boy running so fast?
—He _ . [ ]
A. could be exercising
B. might be catch the bus
C. must chasing
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Why is that boy running so fast?
—He _ . [ ]
A. could be exercising
B. might be catch the bus
C. must chasing
答案：A
