His parents，_________，did not look after him very well—the elbows of his jacket were patched and his boots were badly worn.

You need to take your job________if you want to keep it.

—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.

It's our hope that we will play a greater role in the market place and,      ,supply more jobs.

—Credit cards are       useful when traveling.—True. They save us the trouble of taking too much cash.