	am sứa \| Chat Online
	05/10/2024 16:13:56
	Tiếng Anh - Lớp 9 \| Tiếng Anh \| Lớp 9

Tag questions

[ Nhấp vào ảnh để phóng to, xoay ảnh ]

cho mình xin cách làm ạ
----- Nội dung ảnh -----
Question 6: They had to bring in an outside specialist to install the computer system, _____?
A. hadn't they B. weren't they C. didn't they D. haven't they