KJV - Long time therefore abode they speaking boldly in the Lord, which gave testimony unto the word of his grace, and granted signs and wonders to be done by their hands.
ASV - Long time therefore they tarried `there' speaking boldly in the Lord, who bare witness unto the word of his grace, granting signs and wonders to be done by their hands.
BBE - So they kept there for a long time, taking heart in the Lord, who gave witness to the word of his grace by causing signs and wonders to be done by their hands.
WEB - Therefore they stayed there a long time, speaking boldly in the Lord, who testified to the word of his grace, granting signs and wonders to be done by their hands.
YLT - long time, indeed, therefore, did they abide speaking boldly in the Lord, who is testifying to the word of His grace, and granting signs and wonders to come to pass through their hands.