Ôn đúng trọng tâm – Học chắc từ hôm nay
He should know how (use)............ the lift, but if he doesn't you'd better (show)............ him
Giải chi tiết:
I love going to the mountains _______ the winter.
Sheila works _________ an accountant in a large company.
It was ___________ good music that I couldn’t stop dancing.
A lawnmower is a machine __________ is used for cutting grass.