The correct options are
A Turn off the tap while brushing.
B Use a bucket while bathing.
D Fix the leaking tap.
Following are the ways by which we can conserve water:
∙ Use a bucket instead of a shower for bathing.
∙ Fix leaking taps.
∙ Turn off the tap while brushing.
∙ Instead of washing fewer clothes regularly in the washing machine, wash when there is a full load of clothes.