	Trinh \| Chat Online
	31/05/2022 16:52:37
	Tiếng Anh - Lớp 10 \| Tiếng Anh \| Lớp 10

Do you know that environmentalist________?

Do you know that environmentalist________?
A. With whom i used to work
B. With that i used to work
C. To whom i used to work
D. With who i used to work