On Halloween, children in America like to _____ as ghosts to frighten people.
— Manager, I’d like to take a week’s holiday. — ________. We’re too busy nowadays, you know.
This house is_____ that one.
—Well.Randy is not quite ready to make a decision yet. —So,_______,we have to wait,right?
--- What did the professor tell you to do? --- I had to write a ________ report.
Choosing the right dictionary depends on______ you want to use it for.