Put the infinitives in brackets in the present indefinite tense: It ( to depend ) upon the size of the anumal. A great quantity of water (to be) necessary for growing animals. The cow (to belong) to the class of ruminants. The stomach of the mature animals (to vary) in capacity from 25 to 60 gallons. The lactation period (to last) for about ten months.
It depends upon the size of the anumal
A great quantity of water is necessary for growing animals.
The cow belongs to the class of ruminants.
The stomach of the mature animals varies in capacity from 25 to 60 gallons.
The lactation period lasts for about ten months.