People wrote letters to get in touch in the past.Nowadays email has the way peoplecommunicate.

____ you ______ your homework yet, Tom—Yes, Mom. I’ve already done it.

－It’s important for us to know _________ all the subjects.－Yeah, group work is my favorite.

It was ______ the president’s speech that the secretary spent the whole morning at home.

People in America andCanada usually make __________to celebrate Thanksgiving Day.