______ quickly, and you will be able to catch the train.

His proposal is so idealistic that there are manydifficulties in putting it into practice．

161 The 1998 flood is the worst disasterin the__of China The people in the flood-stricken area overcame all kinds ofdifficulties

Pop music is such an important part of society ________it has even influenced our language.

Readers are required to _________ the rules of thelibrary and mind their manners