I remember sometimes 　　　　 in a rush to grow up and be independent， but I was still very happy.

When he       the door, he found his keys were nowhere.          

——I’m going to Shanghai to attend an important meeting tomorrow. Do you have anything __________ to your brother?——Thanks a lot. I’m considering how to do it.

In the near future, China will increase supply of smaller houses,       to help low-income families to buy houses of their own.

The climate all over the world is completely different along the coast              the changes of areas.