“Hope for the best and prepare for the worst.” is a proverb, ______ life is beautiful and full of frustrations as well.
In the big earthquake all their houses were ______, so they had to build new ones.
Don’t waste your words any more; she is as ______ as a mule (骡子) and no one can persuade her.
She insisted that she ______ not guilty, but we insisted that she ______ into prison.
She would never ______ to the unreasonable requirements of her manager.
The number of people invited ______ fifty, but a number of them ______ absent for different reasons.