1) while, parents - relax, baby - start crying 2) I - see an accident, while, I - cycle 3) he - do homework, when, his computer - break 4) he - play with his dog, when, it - bite him 5) I - go home, when, I - see a thief 6) they - play basketball, when, it - start raining 7) she - have a bath, when, the phone - ring 8) while, they - wait for bus, they - see a ufo

Past Simple and Past Continuous

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