–Why, Simon. Someone seems to have called you over there.

   --Yes? I _______ that.

A. am not realizing        B. haven’t realized      C. didn’t realize         D. don’t realize

I know a little bit about the city as I __________ there for one year in my youth.

A. am studying????????????? ????????????? B. had studied????????????? ????????????? C. studied????????????? D. have studied

—Where is the telephone book?

—I ________ and get it for you.

   A. am going to go  B. will go       C. will be going     D. am going  

I ________ with Hanmeimei on the phone _______ the light went out.

A. am talking; while  B. was talking; when  C. talked; when  D. was talking; while

I 　　 in the house which 　　 books and magazines.

A.am used to live;use to keeping

B.used to live;has been used to keeping

C.have been used to living;was used to keep

D.was used to live;was used to keep