---What is the boy doing?---He _____________ happily.A swims B swam C has swum D is swimming
-- I love school and I’m going to be a teacher. -- Oh, that a good idea.
There’s with my computer. It works well.
--Whose cap is that? -- It’s .
your left, you can see a bridge the river.
--will Taixing in ten years ? -- It will be much cleaner and more beautiful, I’m sure.