May I have some more tea with sugar，please—I’m sorry，but there doesn’t seem to be________.

On his way to the airport，it ________him all of a sudden that he had forgotten his passport.

16．After driving for 20 miles, Jackson realized that he______in the wrong direction

We can’t go on with the experiment becausethe computer_________.

y answered all the questions _____the last one, which she had never heard of before