CULTURAL DIVERSITYI/ HÃY CHỌN MỘT CÂU TRẢ LỜI ĐÚNG NHẤT

12. - ON THI TRAC NGHIEM TIENG ANH 12BAM SAT
ON THI TRAC NGHIEM TIENG ANH 12BAM SAT

12. She _________ on the computer at 4:00p. m yesterday.

A. is working B. was working C. worked D. had worked