The disappearance of dinosaurs made _______ the evolution and dominance of mammals on the earth.
At the age of eight, he ___a group of child dancers.
_______ miss the train, he got up very early this morning.
Do you know the trouble I have _____ the work?
It was the third time that she ______ to this mountain village to see the children.
“Long time no see” is _____ sort of informal, but it is part of _____ language that Americans use daily.