When I _________ the past and think how much time has been wasted, my heart bleeds.
He is the only one of the students who a winner of scholarship for three years.
The number of people invited ____________ fifty, but a number of them __________ absent for different reasons.
Neither Tom nor Jack and I ____ his students.
The League secretary and monitor________asked to make a speech at the meeting last week.
Wang Lin failed to be admitted by Hong Kong University last year,and only then________the importance of English.