—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
_____ is known to us all is that America is a developed country _____ the First World.
Hidden _____ by a big tree, his house was not to be seen.
_________ is known to all,good friends _________ happiness and value to life.
There at the door stood a girl about the same height__________.
________, he does get annoyed with her sometimes.