WE _____ FOR THREE HOURS AND ARE VERY TIRED. A. ARE WALKING B. HAVE...
6. We _____ for three hours and are very tired.
A. are walking B. have been walking C. were walking D. had been walking
Bạn đang xem 6. - DE THI KHAO SAT LAN 4
6. We _____ for three hours and are very tired.
A. are walking B. have been walking C. were walking D. had been walking