9.-Where is Mr Liu?

　 --He 　　　(go) swimming.He 　　　(go) out twenty minutes ago.

8.　　 　you ever 　　　(be) to Nanjing?

7.The noise was terrible when the planes 　　　(take) off.

6.Your letter is still on my desk.I 　　　(forget) to post it for you.

5.When they lived here,they usually 　　　(go) fishing.

4.-How long 　　　　you 　　　(know) Miss Chen?

　 --I 　　　(know) her since I 　　　(be) young.

3.Mr Dong 　　　(marry) her since five years ago.

2.--　　 　you 　　　(write) an article on the Kowloon City for your teacher’s history project?

--Yes,I　　　 .

--When 　　　　you 　　　(write) it?

--When I 　　　(be) in Grade Two.

1.Mike’s mother 　　　(be) ill for a week.

30.The Yangtze River Bridge 　　　　Jingpu district 　　　　the downtown of Nanjing.

A.linked up;/　　　 B.link;/　　　 C.links;to　　　 D.links;up