—Come on, please give me some ideas about the project.—Sorry. With so much work _______ my mind, I almost break down.
I want to know when he ________ for New York tomorrow.
Even on a cold day,he prefers ________out to play football ________ at home.
It was in 1969 ______ two Americans went to the moon by spaceship.
—What ________ an important part in their lives? —Friends.
He wouldn’t leave the TV set, ______ he was going to have an important exam the next day.