(a) also/cultivate/they/asked them to/had to/those/which/crops/the English
(b) two flask-shaped bags/inside/for/it/storing/belly/its/has/water
(c) weigh up/elephant/an/to/can/5 tons
(a) They had to cultivate those crops also which the English asked them to.
(b) Inside its belly it has two flask-shaped bags for storing water.
(c) An elephant can weigh up to 5 tons.