Lucy is good at playing the piano.

－There are quite a        problems here. －Don’t worry. Let me help you.

--Everyone wants to keep healthy without too much effort.--So let's start from our mouth by _______ those healthy foods, which people can easily get in their daily life. 

——What do you want to ________ if you are in the university?——Physics.

—____do you watch TV every week? —Less than two hours. I often have much homework to do.