--- Next week , we will go to visit your school .--- You are welcome _________ our school and you can go _________ to have a look .
The students are very busy. Some are cleaning the room. are watering the flowers.
This book must belong to because it has my name on its front page.
----What do you think of the pop music? ------to the pop music is good way to relax.
The number of students in our school five hundred.
----- Why is Mr . Yang still in the teachers’office ? ---- Maybe he _______ his work yet .