He turned round slowly, uncertain for a moment how to explain his presence there.
"Jane Oglander"
Marie Belloc Lowndes
The dry season of the year was already approaching, but he was uncertain whether rain did not fall during the summer particularly in the mountains.
"In Desert and Wilderness"
Henryk Sienkiewicz
"Master," the young negro said in an uncertain voice, "the Wahimas always cut down slaves.
"In Desert and Wilderness"
Henryk Sienkiewicz