People from every corner of the world           China on the successful launch of  Shenzhou VII． 

In no country _____Britain,it has been said ,can one experience four seasons in the course of a single day .

The first time for everything is always the most exciting one. _____ it is your first day in a new job or going on a first date, you will always remember those “first” times.

To our surprise，the stranger ______ to be an old friend of my mother's.

 After a successful operation, my brother is beginning to ___ and will soon come back to school.