完形乐园趣多多

摘要

Do you often use plastic straws(吸管)?You probably use them to 1 lots of things,such as soybean milk(豆浆),milk or tea.Plastic straws are small 2 they are a big problem.They are made in 10 minutes,used in 20 3 and normally remain on the earth for over 100 years since they cannot be 4 easily.