—— Hurry up. The bus is coming! —— Oh, no, we mustn’t cross the street ______ the traffic lights are green.
--Is your brother’s name Tom? --- Yes , ____ is.
---Happy birthday,Jim! ---_______, Amy.
We like talking _______ each other _______ interesting things after school.
______is the first day of a week.
His son often ______with me after school.