The local government has been providing ________ support to them, without which thy couldn＇t have been so successful.

John said he was going to ____ me ____ around 9 o＇clock tonight.

Why do you put oil in the car ____ what it really needs is gasoline?

The plane is ____ to take off at 14:20, so we must be at the airport by 13:10.

You can＇t miss my house: it＇s ____ the fire station.

The agent should ____ where the passenger wants to go.

I＇ll serve the people ____ I live.

Robert gradually ____ a knowledge of aviation.

____ you understand this rule, you＇ll have no further difficulty.

Aircraft ____ large amounts of fuel.

The major ____ of air pollution in many cities is either automobiles or industrial facilities.