$\text{1.}$ This letter will be translated into Vietnamese.

$\text{→}$ Bức thư này sẽ được dịch sang tiếng Việt.

$\text{2.}$ This house was built over 40 years ago.

$\text{→}$ Ngôi nhà này đã được xây cách đây 40 năm.

$\text{3.}$ He said he had to go home then.

$\text{→}$ I → he

$\text{→}$ must → had to

$\text{→}$ now → then

$\text{4.}$ I asked Lan if Phong Nha Cave in Southern Vietnam.

$\text{→}$ câu hỏi yes, no ⇒ dùng if

$\text{→}$ HTD → QKD <is → was>

* Rewrite the following sentences so that the meaning stays the same. (2pts)
1. Someone will translate this letter into Vietnamese.
( This letter will be translated into Vietnamese.
2. They built this house over 40 years ago.
( This house was built over 40 years ago . 
3. He said, "i must go home now."
(He said   he had to go home then.

4.I asked Lan, "Is Phong Nha Cave in Southern Vietnam?"
(I asked Lan "if Phong Nha Cave in Southern Vietnam ?"