_____ his lecture gives us a much better understanding of lo
_____ his lecture gives us a much better understanding of low-carbon economy.
Listening to
Having listen to 我觉得 后一个更好 表示 在听过演讲之后 有了更好的理解
但是答案给的前一个 不懂.
Listening to
Having listen to 我觉得 后一个更好 表示 在听过演讲之后 有了更好的理解
但是答案给的前一个 不懂.
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你能帮帮他们吗