Tham khảo tài liệu 'english grammar tests-elementary level's archiveauxiliary verbs: was, did, have', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | English Grammar Tests-Elementary Level s archive auxiliary verbs was did have 1 .The because of bad weather. u was u were u did u had do much sightseeing when you were on vacation in Madrid u Was u Were Did u Had for the airport when I last saw them. u was were u did u had to set my alarm clock so I was late for my train. u was u were u did u had raining when you left your office this afternoon
