There is a big library in our school. There are more than twice __________ five years ago.
Many experts agree that once these treasures are _______ to the air, great harm will be done to them. So they think it better not to unearth the treasures.
— You know what I mean? — ______. Could you please repeat that?
With the help of the teachers and classmates, the boy worked hard and finally caught up with his classmates. Now he is _______ all the others.
— When will the new bridge be completed? — It is said that it _______ by the end of this year.
At the beginning of the new term, the teacher asked several students to help _______ the new books to the students in the class.