小笨霖英語筆記本六十一: 分秒必爭

It took me a while to figure out how to do this problem. 我花了好一會兒才想出如何作這個問題. ... 像以前我都會說, "Sorry, I made you wait so long." 後來我發現老美也很喜歡這麼說, "Sorry, ...

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