UNIT 1 TO UNIT 3I. HÃY CHỌN MỘT TỪ CÓ PHẦN GẠCH DƯỚI ĐƯỢC PHÁT ÂM KHÁC...

19.I haven’t seen him for months.

A. It’s months since I last saw him B. It’s months when I last saw him

C. It’s months before I last saw him D. It’s months after I last saw him