11. Oh,Jenny, (it is,I am) so nice to meet you again! (They are,It has been) years since the last time we met.

10. It was in 1996 (while,that) my sister graduated from the university.

9. He likes this house with the beautiful gardea in front,but he doesn’t have enough money to buy(it,one) .

8. (This,It) is a fact that the number of people learning Chinese is increasing rapidly.

7. (When was it,Was it when) Sam came back home that you knew what had happened?

6. My uncle bought a second-hand car but (he,it) will need a lot of work before he can use it.

5. 1 hate (that,it) when people in the street ask me for money.

4. What a long way (it,there) is from here to your hometown!

3. —There is still a copy of the book in the library.Will you go and borrow (it,one) ?

一No,I'd rather buy (it,one) in the bookstore.

2. (There,It) remains a certain doubt among the people about the practical value of the project.