There is not a simple answer. It depends on the subject and level of students,of course.

VOA: special.2009.12.17

Looking to the future, spokesman James Appathurai says there are questions that NATO must answer.

VOA: special.2009.04.04

"There's no right or wrong answer with regard to 'What's a good cup of coffee?'

VOA: special.2011.02.11

There would be no war. Hearst sent back this answer: "You supply the pictures.

VOA: special.2010.07.08

There seemed to be no answer to the problem.

VOA: special.2009.03.05

There is no quick answer to this question.

VOA: special.2010.06.18

There is no easy answer to that question.

VOA: special.2009.11.22

"There are a number of deficiencies with it that do not answer the concerns of the international community."

VOA: standard.2010.05.25

"There are those who believe that the answer is to simply unleash the insurance industry and provide less oversight and fewer rules and that somehow that is going to drive down prices for everybody.

VOA: standard.2010.03.10