ed to go away without being noticedby the teacher, but luck him

Did you find your English dictionary yesterday——No, I didn’t find ________, but I’ve borrowed ______ from the school library.

I _______a book from the library last month. I have to return it because I________it for too long.

I’d appreciate _________ if you would like to teach me how to use the expression once more and I always appreciate _________ me with my English in the past.

依次填入下列各句横线处的成语，最恰当的一组是（ ）①中国人民把维护民族团结作为自己 的职责，把维护国家主权和领土完整作为自己至高无上的使命。②政府对于保护海港及遵守保护海港条例，更加 。我们需要好好保护海港，将它延续给我们的世世代代。③在英语比赛中，我们班的选手们 ，勇敢挑战一道道难题，最终为班级争得了荣誉。