She is a good student, and works very hard, _________.
I must use a ladder to get ____ my room.
There are many trees ____ our house.
----Is there any difference___the two shirts? ----Yes. The color is different.
– What are your parents doing now?- Well, my father is reading a newspaper_______ my mother is cooking.
No.6. Middle School is very beautiful. There are seven teachers and students in it.