Although he is ____ boy ,he knows a lot about the universe.A. a eight-year-oldB. an eight-years-oldC. an eight-year-old
--What a beautiful school! –Yes. Many trees ________ in our school every year.
--Mum, can I wear my jeans to school? --No, you ________ wear school uniforms. That’s the school rule.
-- I called you this morning, but nobody answered. -- Sorry. I ________ the flowers in the garden.
-- What cold weather it is! --The radio says it will be even ________ tomorrow. Remember to put on more clothes.
-- ________ do you study for a test? -- By listening to the English programs every day.