______ that no one was ever prepared for it.

_____ the teacher's suggestion, Tom finally found a way to settle the problem.

Some 25,000 people were reported ______ in the ever recorded worst earthquake in Iran, which occurred late this month.

When do you think ______ start the new attack?

During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.

______ which way to take, the little boy behaved like a real gentleman who comforted his sister from time to time.

He doesn't know what to say, for it is the first time that he ______ with a girl.

There were many more people who got injured in the big fire than _______.

There were many more people who got injured in the big fire than _______.

This robot is supposed to save a lot of labor, but it remains a problem if it ______.