Choose the correct form, past simple or past continuous, to complete these sentences.
1 heard was doing/while
1 I heard/was hearing a very loud noise while I did/was doing my homework last night.
2 The sun shone/was shining and the birds sang/were singing
3 We climbed/were climbing over the fence and then ran were running into the garden.
4 when I got/was getting home, l showed was showing the letter to my dad.
5 I was reading/read a book when Jenny was ringing/rang
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