—Whose workbook is this, Tony?—Look! Ann's name is on it! It ______ be hers.
Tom, _______ Jack, _______ to school by bus every morning.
I hope you_______ to my birthday party this evening.
--- Who’s Mr Brown? --- He’s _______ father.
There are ______ workers in this factory. My brother is in it ,too.
_______ she isn't at home. She_______ go to Beijing.