Sentence examples for be sure whether this from inspiring English sources

But nobody can be sure whether this is the whole truth or whether Iran simply admitted what it thinks international inspectors already know.

"But the effect was there, albeit smaller, with just five units a week," she said, "so it's troubling". Jensen can't be sure whether this effect would be permanent.

Hollywood and California were changing everything, and Fitzgerald couldn't be sure whether this was good or bad, just as the novelist was a little uncertain whether or not he really approved of movies.

And public hostility to immigrants grew after a ship carrying almost 500 Tamil refugees from Sri Lanka arrived off the country's west coast in August.It is hard to be sure whether this debate heralds a lasting shift in Canada's openness to immigration.

In recent months, more than half of Quebeckers asked have been telling pollsters that they would vote in favour of sovereignty in a new referendum, thus reversing a long decline in support that started after the failed referendum of 1995 and reached its low point in 2003 (see chart 2).Nobody can be sure whether this resurgence will last.

Lending to the private sector remains horribly subdued (see chart), although it is difficult to be sure whether this is because borrowers shun banks or the other way round.The IIF reckons the combined impact of new banking regulations may be to trim GDP by 0.7% a year over the next five years and could cost some 7.5m jobs over the period.

The difficulty, as the borough's biologists point out, is that no one is sure whether this crazy type of change is causing actual harm.

But no one has been sure whether this connection occurred because of greater access to resources or the simple glow of high social status relative to others.

Yet who can be sure whether any of this represents the reality of current research?

We cannot be sure whether or not this was due to sample size and its statistical power.

In a videotaped interview on Bloomberg News, Brynjolfsson was somewhat more cautious: I have to be brutally honest, I don't think Andy and I are sure whether it's different this time around.