問題的答案用介詞t0？

還有下列表達法:

1 the key to 是……的關鍵

He seemed to have understood the key to happiness.

他似乎懂得了幸福的關鍵。

2 the answer / key to … ……的答案/ 秘訣；

3 the solution to … ……的解決辦法；

4 the monument to somebody 為某人立的紀念碑

5 the entrance / access / approach to … ……的入口/道路/通道

6 notes to……的注釋

7 the way to 去……的路上，正成為………

相關例句:

1 The secret to oil painting is to build up layer on layer on a canvas.

油畫的秘訣就是在一塊畫布上一層一層地涂。

2 The secret to living a life that you love is consistently bettering yourself.

過自己喜歡的生活的秘訣就是不斷地改善你自己。

3 Who knows the answer to the puzzle

誰知道這個謎語的答案？

4 A nod was her answer to my suggestion .

點頭是她對我的建議的認可。

5 The solution to the problem on page 10 will be published next week.

第十頁的這個問題的解決辦法于下周公布。

6 Perhaps economy is the solution to solving your financial troubles.

也許發展經濟是解決你的金融危機的辦法。

7 That statue is a monument to our war dead.

這個雕塑是為我們在戰爭中死去的人立的一個碑

8 Where is the entrance to the park.,please?

請問，公園的入口在什么地方？

9 The access to the town was across an arrow bridge.

進入這個城鎮的道路是穿過一座狹窄的橋。

10 All the approaches to the palace were guarded by soldiers.

通往這個宮殿的所有的路都有衛兵監視。

11 There are notes to the texts in the book.

書中有課文注釋。

12 I am on the way to becoming a doctor

我就要成為一名大夫了。

13 He saw his father on the way to school.

他在上學的路上看見了他父親