They have worked in this city for _____.
题型:选择题
问题:
They have worked in this city for _____.[ ]
A. two year and a half
B. two and a half year
C. two years and half a
D. two and a half years
They have worked in this city for _____.[ ]
A. two year and a half
B. two and a half year
C. two years and half a
D. two and a half years