Mrs. Brown was very disappointed to see that the washing machine she had had _____ went wrong again.
I was surprised by his words ,which made me recognized ______silly mistakes I had made .
_______was last night ______I read about the history of English.
Thousands of foreigners were______ to the Shanghai World Expo the day it opened.
My father made me a promise ___ he would buy me a present if I got a good mark
I have finished translating a large part of the book, but the rest ___ more difficult.