Mr Liu is a very popular doctor, so he is always busy______his work.[ ]

_____breakfast , I usually have an egg , some bread and a glass of milk .[ ]

If you want to speak English well, it’s ___ for you to practice as often as you can.

Jim is eight-year-old boy. He spends half _____hour playing _____ piano every day.

Don’t worry. He is to look after little Betty.