仨语填空题………………Yang Liwei's _________(飞行)around the earth ______
仨语填空题………………
Yang Liwei's _________(飞行)around the earth ________(持续)about 22 hours.
What __________(发生) if they have watched a video at the party?
Did he have ________(make) a living by himself at the age of 18?