问题描述：
They took the bus back to school.(改写同义句)
They ___ ___ to school ___ bus.
They ___ ___ school ___ bus.
They ___ ___ to school ___ ___ bus.
They ___ ___ to school ___ bus.
They ___ ___ school ___ bus.
They ___ ___ to school ___ ___ bus.
问题解答：
我来补答展开全文阅读