_______you write on a subject,you join in an ongoing, trans-historical conversation with others who have written about your topic.
Frank ______ London by train which ________ at 8:30 next morning.
As you get older, your _______ towards the matter will change.
–Have you finished your experiment report, Jane? --Oh, my god! I’ve _______ forgotten all about that.
We should consider what use can we make ______ such material.
He commanded the students ______ the classroom before he returned.