爱迪生说:“我这一生行将结束。我的人生哲学是工作,我要揭示大自然的奥妙,并以此为人类造福。我在世的这短暂的一生中,我不知道还有什么比这更好的了。”这段话表明
Peter is my close friend, who can be _______ what he promises.
The dog was _____its owner’s luggage, so nobody could get it.
.—You were brave enough to raise objections at the meeting. —Well, now I regret ___ that.
---What can I do for you? ----- If you _____ see Mr. Smith, give him my regards.
It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.