题目内容
完成句子
When do the new driving laws ________ ________ ________?
新的驾驶法什么时候实行？
When I told her the air would be _________(呼吸困难), she said it would be an interesting experience．(hard)
When we are in the Summer Palace, the luxurious life of the empress Cixi _____ _____ _____（栩栩如生）.
When we arrived home, mother was ________ ________ ________ (忙于做饭) .
根据提示完成句子
When Mr．Woods went sick, they left Sandy ________ ________(负责)．
