---- Tom, did Mr. Li join you in your discussion? ---- No, he _____, but he happened to have fallen ill.
—What do you think of the book? —Oh,great.It’s a second time.
The number of students in our school about 30 000 and them study hard.
A library together with 5000 books for the school.
They had beenfor many years.
Isnecessary to complete the design before National Day?