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.
What do people in China often have __ dinner?
John was so sleepy that he could hardly keep his eyes ___.
--___ do you want? --I want a book on history.
Shortly after the accident, two ___ police were sent to the spot to keep order.
Mr. Wang said that he ___ next year.