—When can I use your computer?—Never! _______ should you touch it.
What surprised me was not what he said but ______ he said it.
Only by shouting at the top of his voice _______.
_______that he was in great danger, Eric walked deeper into the forest.
As a result of the serious flood, two thirds of the buildings in the area ______.
Bill suggested _______ a meeting on what to do for the Shanghai Expo during the vacation.