(2013·辽宁五校协作体一联)Several of the passengers were hurt and one was taken to hospital.Luckily ________ was killed.

Many people complained about the stones lying on a road, but _______ did anything about getting the stones out of the way.

The Internet and the effect       brought about did a lot of good to our daily life and work. That is to say, the Internet has made a great difference in many aspects. 

To save class time, our teacher has ________ students do half of the exercise in class and complete the other half for homework. .

 — Who would you like to see you off at the airport?—           . Just say “good-bye” at home.