In the students’ eyes, Mrs Smith is a mother more than a teacher.          she treats the students just like her own children.

—______ Emily is in such a hurry?—I don’t know. She might run to catch the bus.

 It is thought that one billion people I the world,  _____is half the word’s workers, earn their living by farming.

These animals are all used to their environment,______, they have learned how to live successfully in their habitat．

We will see you again next Saturday. ______, you must rest as much as possible and take good care of yourself．