2道初2英语选词填空~

问题描述:

2道初2英语选词填空~
______ we left the hotel, we had a good meal, because we didn't want to be hungry ______ we were out.
______ we went out, we took a guidebook with us so that we could read about the city.
备选词: before when while

___before___ we left the hotel,we had a good meal,because we didn't want to be hungry ___when___ we were out.__while____ we went out,we took a guidebook with us so that we could read about the city.