A number of books in the library _______ been stolen so that the number of them ______smaller than before.
______ is no doubt that the Rockets will defeat the Washington Wizards in the next game.
It was ______ of you not to give others a ride in your new car.
Lily’s mobile phone was left in a taxi accidentally, never ______ again.
At first the institute refused to purchase(购买) the experiment instrument, but this decision was ______ changed.
The shy girl felt ______ and uncomfortable when she could not answer her teacher’s questions.