this agrees with verbs finished with "s".

With the plural words these/those and verb "will"  would leave out (omit) the "s".

I hope this pleases him.

I know which of those dishes please him.

I am sure these things please him.

My grandson likes dogs, and these will please him.

My grandson like cakes, and this one will please him. 

Now, is just to apply those rules to your homework, give it a try. 

  ;-)