_____ did he come to our classroom for just now?
—I don’t know________.—Because he has to look after his mother.
She________to an English program while her parents________TV.
—I didn’t see you at the beginning of the party last night.—I________on nay biology report at that time.
The girl was flying a kite________her father came back.
—I went to see you yesterday evening.But you weren’t in.Where were you then?—I’m sorry.I________a walk by the lake with my classmates.