6. VERB TENSE/ FORM They (not/send) ... you a letter a week ago. A. don't send C. not send D. didn't send B. aren't sending ----- Nội dung dịch tự động từ ảnh ----- 6. VERB TENSEI FORM They (not/send) --- you a letter a week ago. A. don't send C. not send D. didn't send B. aren't sending
