MY MOTHER WAS WORRIED BECAUSE I …………. IN TOUCH FOR A LONG TIMẸ Ạ...

Tiếng Anh Tổng hợp 24 đề thi thử Đại học môn Tiếng Anh 2016

15. My mother was worried because I …………. in touch for a long timẹ Ạ had B. had been C. was D. hadn’t been