The house is finished at last. All their hard work has _____.

What do you think of a war, Lin Tao—I’ve no idea. But it’s fact that______people had to leave their hometown during the war on Iraq.

There are many insects in the world thatnever do _______ harm to human beings

May I speak to your manager Mr.Williams at five o’clock tonight? —I’m sorryMrWilliams ________ to a conference long before then

b is not very rewarding ________ money, but heis getting valuable experience from it.