What time do they (get up) get up?
What do they (do)do in the water
What time do they get up ?
What are they doing in the water ?
What time do you get up?
What do they do in the water?
What time do they ( get up ) get up ?
What are they ( do) doing in the winter ?
Chia động từ ở hiện tại đơn hoặc hiện tại tiếp diễn
What time do they get up ?
What are they doing in the water