You should spend more time ______ the lessons.
________, I'm glad you made that mistake, for it will serve as a warning to you.
They said Lily’s work was equal to ___ of a student who had completed four years of college.
The band ________ in about 1970, but happily they reunited in the mid-1980s.
The parents were in search _______ their son who was lost when the two countries were ______ war.
After graduation from college, I tried to stand on my own feet and no longer _______ my parents.