She ______ very hard since she came to our school.
—Why are you walking so quickly,Edward? —There________a talent show in ten minutes.
There________great changes in our hometown in twenty years.
—Do you know________tomorrow? —David?Never!He hates outdoor activities.
—Your T-shirt is so cool.Could you tell me________? —I bought it at the department store.
Mr.Smith,a famous scientist,________that park next Thursday.