Do you know what he _______ two years ago -Yes. He was fat then.

______ time went by, Cindy and the other kids became good friends.

beginning of a speech, it is very important to grab the audience’s attention and make them interested in ______ you have to say.

Do you think we can get there on time -Yes，_______ the truck doesn’t break down.

Answer the doorbell, please. It must be your uncle. —It Heidi. She’s coming over this morning to help me with my math.