Why are you standing, Tony—I can’t see the blackboard. A tall boy is ______ me.

He stood there dumfounded without daring _______ his head as a consequence of his wrong action. [ ]

The captain urged that the mission ______ before dark.

It’s one’s bad habits, rather than a certain natural disaster,one’s longevity (长寿)for most of the time.

s speech, he said that it was his primary school teachers that he was fond of ________ influenced his whole life.