Nowadays, a graduate with a master’s degree_____ fail to find a high--paid job , which discourages a lot of college students.
When he returned , he agreed to the publisher’s request _______ he should write a book for boys based on the life he experienced.
Look ! There are so many mistakes in your composition . You ____ have paid attention to it.
At the conference , political leaders from many countries promised to work together to defend the world ________ terrorism and other threats.
______ these new treatments , people with high blood pressure can live a long and active life .
__ Sally , our monitor , was late for class this morning .__ _________ ? As far as I know , she never came late for class.