...FOR A LONG TIMEA. I DIDN’T SEE HIM C. I DON’T SEE HIMC. I HAVEN’...

Lớp 10 TỔNG HỢP ĐỀ THI ÔN THI VÀO LỚP 10 TRUNG HỌC PHỔ THÔNG

9. ...for a long timea. I didn’t see him c. I don’t see himc. I haven’t seen him d. I hadn’t seen him