continued = was continuing. Greek. proskartereo. See note on Act_1:14.
wondered = was amazed, or dumbfounded. Middle of existemi. Compare "bewitched", Act_8:9.
beholding. Greek. theoreo.App-133.
miracles. Greek. dunamis.App-176.
signs. Greek. semeion.App-176. The Authorized Version reverses the translation here. "Miracles and signs" should be "signs and powers, or mighty works". The texts add "great".