who _____ (发现)American,do you know?

who _____ (发现)American,do you know? Do you know who that American is 根据句意及中英文提示完成句子。 1. —Do you know who  _____( 发现)America? do you know who _____ with at eight yesterday. Do you know who the acticle is written _____? Do you know who _____(enter) the house just now Do you know _____ he expects will give us a talk A.who B.who _____ do you know in the meeting room A who the other B who Do you know who am Do you know _____ tomorrow? Do you know _____(UFO)? 16.Do you know _____?