The hospital is _______ tests to find out what’s wrong with the little boy.

Do you know__________ —For a month.

There is a common belief among the students in our school ______ they should make great efforts to learn and reach the peak of their academic performances.

What happened to you yesterday evening? Why didn’t you finish your work?——____ the lights off, we could not continue our workAs a result, we had to leave

a very hard-working student—________As far as I know, he often burns the midnight oil