Many workers were organized to clear away remained of the World Trade Center.

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

In recent years much more emphasis has been put______ developing the students productive skills.

Nomatterhowfrequently_____theworksofBeethovenalwaysattractalargenumberofpeople.

Undernocircumstance_____totellliestoparents.