No one knew where my grandfather was, and many came to _____us in searching for him.
The incomes of skilled workers went up. ____ , unskilled workers saw their earnings fall.
—Go now?— It's too late; tomorrow will be a _________time for you to visit them.
Compared with his sister, Jerry is even more_____to, and more easily troubled by , emotional and relationship problems.
—Must I turn off the gas after cooking?—Of course. You can never be ____ careful with that.
I'm certain David's told you his business troubles. ______, it's no secret that he owes a lot of money to the bank.