Warm-Up
그림을 보고, 각 문장이 설명하는 대상을 찾아 보세요. Look at the picture and find what each sentence is describing.
확대보기 a b c d
a They move from flower to flower and
help plants produce fruit.
b They help forests grow by burying
seeds and nuts in the ground.
c They break down dead plants into
new soil.
d They make tunnels in the soil and
make it rich for plants.