定语从句专项练习1Ill never forget the lesson _ last year.A.that I learnB.that I learnedC.what I learnD.what I learned2The young lady _is interviewing Lin Zhixuan about the program I am a singer is from 21st Century Talent Net.A. who B. whom C. which D. whose3What are you looking for?Im looking for the watch _ I bought yesterday.AwhichBwhoCwhose4I love the school_ I have studied in for three years.A. where B. when
