_______ happened that I met one of my friends yesterday.

There are so many flowers on ___________ side of the street．—Yes．I hope that all the flowers belong to _______________．

What do you ________ the people in China? — They are friendly and hardworking.

Mum, where did you put my new sports shoes?–Oh, I put them in a box. And ________ box is under your desk.

The teacher told his students that the eartharound the sun.