We know from the passage that__________

25． From the passage we know that___________ ．

47．—I really hope to keep in touch with Lily．—Sorry．l don-t know _________ ．

He was sitting in the chair, ______a book.

8．—__________ behind the chair?—My alarm clock．

——Where did you put the car keys?
——Oh, I __________ I put them on the chair because the phone rang as I __________in．

7． —When will Guo Jingming’s new book ________ ?—Sorry，l don-t know．I’m looking forward to his new book，to a．

6．—Where _______the chairs?—Sorry，l don-t know．

48． Sorry，we don-t have the coat_________ you need．

---- Sorry about all the inconvenience. ( )
----_______________.

—Hey, look where you are going!—Oh，I'm terribly sorry______.

—Hi! Where are you going? See what the sign _____!—Sorry, I _____ it.