Do you believe their diet mainly consists of .vegetables?为什么consist后面要加S?

Do you believe man? DO you believe god? do you believe Do you believe their diet mainly consists of .vegetables?为什么consist后面要加S? Do you believe your master? Do you believe your mama? Do you believe your lover? Do you believe your teacher? Do you believe your friends? Do the thing you believe Do you believe in God? Do you believe indestiny是什么意思 Do you believe in love?Yes I believe Do you believe the true love? I believe you can do it是什么意思 just do your best,I believe you. do you believe in an after life? Do your best,I believe you will