finish the sentences with 'when' .put in.where necessary.
we should throw it in the bin
we should use our own bags
used a tissue to cover her mouth
you stop your car
she goes shopping
1.________we go shopping_________________________
2.you shouldn't keep your car engine running__________
3.________we throw rubbish away___________________
4.peggy always uses lots of plastic bags______________
4._______jane coughed____________________________