I’m not sure exactly how much money you’ll receive, but it will ____ cover your major expenses.

You must turn off the gas after cooking. You can never be ______ careful withthat.

I hate interruptions, _____when I ’m concentrating on my study.

 the patient’s progress was encouraging as he could ______ get out of bed without help.

Last night Mr. Crook didn’t come back at the usual time. ______，he met some friends and stayed out until midnight.