| 1 | Concerned parents held a meeting. | |
| 2 | Investors worry about the implications of enormous debts and deficits at home and across Europe. | |
| 3 | Which means it's well past time to be worrying about whether Google is a monopoly. | |
| 4 | French business leaders have said they are worried about the trade implications of tense Franco-China relations. | |
| 5 | To many young students at Cambridge University, privileged though they were, this was worrying and unacceptable. |