I
1.d 2.b 3.d 4.d 5.b 6.d 7.c 8.b
II
go-went work-worked repair-repaired swim-swam run-ran recceive-recceived dislike-disliked
watch-watched show-showed write-writed buy-bought have-had visit-visited send-sent
spend-spoke make-made invite-invited introduce-introduced drink-drunk draw-drawed
play-played learn-learnt study-studied do-did complete-completed sing-sang