Hoping he would not disturb his sleeping father , Bob stole in , _____ and waited for him to wake up .
The computer system _____ suddenly while he was playing computer games.
Mr Smith never does any reading in the evening ; ________________.
I am ________ with Mr Wang's ___________ talking ; I can't wait any longer for its end.
Now ______ good many old people are also fond of playing games on ______Internet.
Not until the 11th century, when a young lady brought a fork to Italy, _______.