33. Is it the letter you got yesterday ________ makes you so sad?
I________to visit you later that day,but I had to phone and cancel.
I’m calling about the apartment you ________ the other day.Could you tell me more about it?
Hurry up,kids!The school bus________for us!
—I don’t understand why you didn’t go to the lecture yesterday afternoon. —I’m so sorry.But I________my homework.
—Have you heard about the recent election? —Sure,it________the only thing on the news for the last three days.