_____ computer has been proved to be _____ important aid in classroom teaching.
The villagers have ______almost 200,000 yuan to build a school since last winter.
Lucy advised him not to buy the knife, but he bought it _______.
It was ______ hot in the room that I didn't like to stay there.
His daughter has such high ______ that she entered Beijing University at the age of 15.
______the explanation of the book, we can finally understand the meaning of the passage.