问题
选择题
______ the smoke come out of the building, my first thought was to call the fire department.[ ]
A. Having seen
B. When seeing
C. When I saw
D. Seeing
答案
答案:C
______ the smoke come out of the building, my first thought was to call the fire department.[ ]
A. Having seen
B. When seeing
C. When I saw
D. Seeing
答案:C