HE SHOULD KNOW HOW (USE)………. THE LIFT, BUT IF HE DOESN'T YOU'D BETT...

3. - ĐỀ CHỌN HSG AV9 SÔ 20
Lớp 9 Tiếng Anh ĐỀ CHỌN HSG AV9 SÔ 20

3.

He should know how (use)………. the lift, but if he doesn't you'd better show him