---- __________ you say goodbye so soon? ---- I’m sorry. My mother is expecting me at home.
_______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.
After the new type of rice was introduced, the farmers produced _______ rice this year as last year.