Where were you both at this time last night—Tom was writing an e-mail Iwas watching TV at home.

we had expected, he was late again.

_____ he realized it was too late to return home.

Seeing a large crowd at the street corner，I became aware ofunusualhappening

Do you know everybody ______ came to the party——Almost, but I don’t know the one ______ you talked with near the door.