Must I turn off the gas after cooking — Of course You can never be____carefulwith that

Jim passed the final exam, ___________ surprised his classmates and parents.

I _____ to bed when the telephone rang.

Not until _____ her work _____ her favorite TV show. [ ]

The government has decided to give preference to thoseenvironmently-friendly business and companies in all aspects in _______ ofsustainable development.