Most animals sleep the same way as humans do; they relax their muscles and lie down. 2 ______________, birds and horses sleep in an upright position.Which word BEST connects sentence 1 to sentence 2?
Most animals sleep the same way as humans do; they relax their muscles and lie down. 2 ______________, birds and horses sleep in an upright position.Which word BEST connects sentence 1 to sentence 2?
