My father is usually on ______ duty in h
题型:选择题
问题:
My father is usually on ______ duty in his office every ______ few days. |
A. the; a B. /; / C. /; a D. a; / |
My father is usually on ______ duty in his office every ______ few days. |
A. the; a B. /; / C. /; a D. a; / |