His mother looked very tired,for she _____ the house herself all day.
— What are you going to do this weekend? — _____. If time permits, I may go to Shanghai with my friends.
We ______ the difficulty together, but why didn’t you tell me?
It was not just the size of the party last night but ________ it meant to our company________ made it unique.
The children went back home from the grammar school, their lessons ________ for the day.
Stefan ________ from heart attack for more than ten years, but now he’s healthy and energetic.