---Is this __________ English book? --- No, it isn’t. It’s __________ Chinese book.
In spring, we can often hear some birds_______ in our school.
——Why not go to see a film? ——That ____ a good idea! Let’s go.
We read 10 ,206 like this________.
There are ____ floors in this building, and my flat is on the ____ floor.
---Let’s go out to play football, shall we? --- OK, I _______.