	Nguyễn Thanh Thảo \| Chat Online
	10/09 22:21:03
	Tiếng Anh - Lớp 12 \| Tiếng Anh \| Lớp 12

Before the invention of e-mail and the Internet in 1972, (A) it took people (B) at least one day to (C) cause hand-written letters sent to the (D) recipients’ homes.

Before the invention of e-mail and the Internet in 1972, (A) it took people (B) at least one day to (C) cause hand-written letters sent to the (D) recipients’ homes.