IT WON’T BE DIFFICULT TO KEEP ... TOUCH.A. ON B. IN C. AT D. BY

7. - KIEM TRA GIUA KI 2 HAY
Lớp 9 Tiếng Anh KIEM TRA GIUA KI 2 HAY

7. It won’t be difficult to keep ... touch.

A. on B. in C. at D. by