Choose the word that you think is right(in some cases both

Choose the word that you think is right(in some cases both are possible)
tun(s)-can(s)
1.He opened a .... of coke.2.I cant find the ..... of beans I bought yesterday.3.How many .... of tomateos shall I buy
to spoil-to ruin(and their forms)
4.The cook .... the soup as he had rut a lot of of salt in.5.After the war many towns and villages were ....6.The food will ... if you dont keep it cool.4.Grandmothers often .... their frandchildren.