As the price of oil keeps______ people have to p

It is anticipated that by the end of this month oil price ______ by about 10 %.A．will have

People have proved______to be true that the heat we get from coal and oil comes from the s

During the period of ______ from oil heat to gas heat the furnace will have to be shut off

____ can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet

The local people were joyfully surprised to find the price of vegetable no longer ______ac

According to the passage some injured or sick people died as a result of ______.A.other p