---Would you please give this newly-published novel to Jack? ---Certainly. he comes back.
He was busy writing the story all the morning, pausing __________ to search for the right word.
__________ the adventure film will be shown in the cinema depends on the manager.
The leading actress is __________ speaking highly of her role in the movie, which, of course, made the others unhappy.
—I can't find the famous director. Where did you meet him this morning?—It was in the hotel __________ he stayed.
They __________ in their twenties after they had __________ in love with each other at first sight.