In order to that the letter

In order to make sure that the letter was delivered , he registered it .
翻譯: 為了確保這封信能被送達，他採用掛號的方式。
1 make sure -------> 確保。
2.take care of ----->照顧
3.take place ------> 發生
4.look for ------>尋找
答案是1

In order to make sure that the letter was delivered, he registered it.
為了確定信件寄出 他寄掛號信

1.make sure 確定 2.take care of 照顧 3.take place 發生 4.look for 尋找