Respuesta :
I believe the answer is:
for there's a swallow; Come one swallow, his mate will follow
Internal rhymes refers to a type of rhyme that occurs between other phrases across the lines (whcih is why it is often referred to as middle rhymes) . The word 'swallow' is rhymed with follow,and it's located between two lines with similar sounding 'llow' at the end.
Answer:
*Brambles fewer, the blue sky bluer.
*Come one swallow, his mate will follow,
*The bird race quicken and wheel and thicken.