The Sanlu Milk Powder event is a clear indication that food safety is a big problem; nobody can ___ all foods are secure to us, but we are sure that the situation is turning for the better.
The food she has prepared for the party is not enough, for there are ______ people than she expected.
After ______ seemed an endless wait, it was her turn to enter the personnel manager's office.
As soon as the manager entered his office, he began to ______ the telephone book on his desk.
----Don’t look down upon Bob. He has his own advantages. ----Oh, yes. ______ others are weak, he is strong.
Yesterday, Jane walked away from the discussion. Otherwise, she ______something she would regret later.