This is the only one of these books that ______worth reading.
Don't be afraid to ____ help if you have any further problems.
All these actions by NATO ______ with the universally accepted international laws.
- I hear that Jason is planning to buy a car.-- I know. He _____ enough for a used one by next month.
Television has many advantages. It keeps us ____ about the ___ news and also provides entertainment in the house.
Is there a certain cure ___ lung cancer yet?