根据句意和汉语提示，在空格中填入正确的单词 。
⑴North points up on a ____  (地图).
⑵There is a tall tree____  (在。。。。。。的后面) the teaching building.
⑶____ (没有什么) is difficult to the men who will try.
⑷____  (十月) 1st is the National day of the PRC.
⑸He always ____ (抄写) new words on pieces of paper and reads them aloud.
⑹It's____ (礼貌 ) to be quiet in the library.
⑺No one can____ (成功) without any hard work.