My favorite teacher is Miss Lin, although she has _________ experience.

The UN is the international organization which _______ all countries to settle any conflicts between two countries.

Ordinary woman though she is, she had won the award because she tries every means to makepeople ______ of the importance of the environment conservation. [ ]

Does your Dad quit smoking, Jenny?—Yes, but he ________ for almost ten years.[ ]

technique ____, the production as awhole increased by % percent last year