---My Biology teacher often us about the latest news of Ebola(埃博拉) .---We also learn a lot about it and we are a little worried.
----What do you think of Tom’s speaking? ----No one does in our class.
We didn’t go home the old man was sent to the hospital.
----your son a computer? ------No.He one this summer vacation.
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.