The only thing "too" and "two" have in common, besides starting with a "t," is that they are homophones: they sound the same, but have different meanings. So, the correct answer will also be a pair of homophones, which means that it's "for is to four." "Glow" and "grow" rhyme, as do "who" and "shoe," but while these words rhyme, they do not sound exactly the same when you say them.

"Pause" and "paws" are homophones, meaning that they are pronounced the same but have different definitions. We are looking for a pair of homophones, making "toad is to towed" the best answer choice.

"Right" and "write" are homophones, meaning that they are pronounced the same, but have different definitions. We are looking for a pair of homophones, making "which is to witch" the best answer choice.

"Heard" and "herd" are homophones, meaning that they are pronounced the same way but have different meanings. We are looking for an answer that contains a pair of homophones, making "hall is to haul" the best choice.

"Too" and "two" are homophones, words that are pronounced in the same way but are spelled differently and mean different things. So, to solve the analogy, you need to pick out the answer choice that consists of a pair of homophones. "Plain" is pronounced in the same way as "plane," but is spelled differently than "plane" and means something different than "plane," so "plain is to plane" is the correct answer, because just as "too" and "two" are homophones, so too are "plain" and "plane."

“See” and “sea” are words that sound the same, or homonyms. "Hear" and "here" are also homonyms. To further help you, “loom” means to appear over someone or something; “lone” means alone or singular; “appear” means to show up or to come into vision. 

"Weigh" and "way" are homophones, meaning that they are pronounced in the same way, but have different definitions. So, we should look for another pair of homophones. Thus, the best answer choice is "mail is to male."

"Peace" and "piece" are homonyms, or words that sound the same, but have different meanings. So, to solve the analogy, you need to pick out an answer choice that is a homonym of "sight." Read the words now and say them out loud. Now read “sight” out loud followed by the five answer choices. Which one sounds like sight? “Site" does, so it is the correct answer.

“Great” and “grate” sound the same when pronounced but are not spelled the same way. When two words sound the same but have different meanings, we call them “homonyms.” Looking at the possible answer choices, the only two other words which sound the same when pronounced are “gait” and “gate," so "gait is to gate" is the correct answer. A “grate” is a barrier or framework, and it can also mean shred or make a sound that is not pleasant, whilst a “gait” is a way in which someone or something walks.

"Roll" and "role" are homonyms, since they are words that sound the same but have different meanings. Similarly, “rays” and “raise” sound the same but have different meanings.