It is difficult for any of us to eat better, exercise more, and sleep enough,________ we know we should.
Nothing but some ancient Chinese coins _______ in the sunken ship since they began the exploration.
“Well done, John! Not a single mistake____in your exam paper this time!”said the teacher.
Don’t try to persuade your boss;he won’t have the of employing me—a fresh student.
This college allows students to develop their own interests, to ______ extent they wished.
His sacrifices for the country were never officially , which made all of us feel discouraged.