— Is Jack on duty today? — It ________ be him. It's his turn tomorrow.
They really have a great time too , designing everything , drawing the blue prints , ___________the angles and so on .
—Was it in 1969___________the American astronaut succeeded___________landing on the moon ? —Yes , that’s right .
.—Who did you stay with ? —___________.
—What about the books ? —Books of this kind well .
What he said sounds___________.