—How do you know the Maglev train? —It’s well-known. And it can reach a _______ of over 400 km per hour. A.project B. guide C. speed
---are they? ---They are my sister and my brother.
This is a photo my grandparents.
How you “watch”?
--, Grace , is this your pencil? --Yes, thank you.
---schoolbag is green, and is black. ---OK, Here you are.