en they met, they stopped and saidhello to_______.

In our school library, there a very small number of books on history, and in these years the mumber of them getting larger and larger.

If you _____a new idea, please call me as soon as possible. —Sure, I will.

d-autumn Day happening to _________alongNational Day, it is estimated that it will be 38 years ________ we canexperience such a coincidence again

This house is that one．