it‘s said that a Dutch airline to use___recyled cooking oil as__fuel to power flights to and fromFrance.这两空填什么a/an/the / 空.

it‘s said that a Dutch airline to use___recyled cooking oil as__fuel to power flights to and fromFrance.这两空填什么a/an/the / 空.
it‘s said that a Dutch airline to use___recyled cooking oil as__fuel to power flights to and from
France.这两空填什么a/an/the / 空.

it‘s said that a Dutch airline to use___recyled cooking oil as__fuel to power flights to and fromFrance.这两空填什么a/an/the / 空.
两处都无须填空.
recyled cooking oil 和 fuel 都是不可数名词,所以前面不能用冠词 a 及 an,而此处没有指明是特定的recyled cooking oil 和 fuel,所以也不能用冠词 the.