Giúp mik với , mik k biết giải thích câu này 7. _____ a forest fire before? – Yes, I ____ one when I was on business in the North. A. Did you see/ saw B. Were you seen / saw C. Have you been seen/ was seen D. Have you seen/ saw
2 câu trả lời
7. _____ a forest fire before? – Yes, I ____ one when I was on business in the North.
A. Did you see/ saw
B. Were you seen / saw
C. Have you been seen/ was seen
D. Have you seen/ saw