Direction: The question has four statements. Each statement uses a pair of words marked (A) and (B), one of which will make coherent sense in context of the sentence. For each sentence choose the best fit and select the option that indicates all correct answers.

1) I could hear him (A) groan / (B) grown in pain. 2) The children were excited to see a (A) gorilla / (B) guerrilla in the zoo. 3) I was going back and (A) fourth / (B) forth on the same topic. 4) I wanted to (A) flee / (B) flea from the market.