1) While I ___________ my homework, My sister came. a) did b) have done c) was doing  d) were doing 2) The other day I ________ for a bus when car accident happened. a) have waited b) was waiting c) were waiting d) waited 3) My brother _______a guitar while I was watching TV. a) played b) were playing c) has played  d) was playing 4) When she was going extra classes from English , her English __________. a) was improving b) has improved c) is improving d) improved

Past Continuous. pre-inter

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