9. Stand back! You're stepping on my toes.

　　向后站!你踩在我的腳趾頭上了。

　　10. Put the book back on the shelf when you've finished it.

　　書讀完后，要放回原處。

　　11. Their travel plan was cancelled because of the bad weather.

　　因為天氣不好，他們的旅行計劃取消了。

　　12. Smoking is bad for health.

　　吸煙對身體有害。

　　13. He lost his travelling bag when he crossed the desert.

　　他在穿越沙漠的時候丟失了他的旅行袋。

　　14. The bread is baking in the oven.

　　烤箱里正在烤面包。

　　15. The dolphin balanced the ball on its nose.

　　海豚用鼻子頂著球，使其保持平衡。

　　16. You have to balance the advantages of living in a big city against the disadvantages.

　　你必須權衡住在大城市的利與弊。