it is time to go to school. he puts his books into his backpack. he puts his arms through the straps. he puts his backpack on his back. he walks outside. he goes to the bus stop. he stands at the bus stop. he waits for the bus. he sees the bus. __
A aabc的四字词语
前言it is time to go to school he puts his books into his backpack he puts his arms through the straps he pu
it is time to go to school. he puts his books into his backpack. he puts his arms through the straps. he puts his backpack on his back. he walks outside. he goes to the bus stop. he stands at the bus stop. he waits for the bus. he sees the bus. __