问题描述：
How still everything is!There's not a sound to be heard.
多么宁静呀!一点声音也没有.
everything is是做什么的?
把be heard换成hear行吗?
把There's not a sound to be heard.改成
there isn't a bit sound行吗?
多么宁静呀!一点声音也没有.
everything is是做什么的?
把be heard换成hear行吗?
把There's not a sound to be heard.改成
there isn't a bit sound行吗?
问题解答：
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