— There's someone outside. Who it be ?— It must be Mary. She promised to come over at 8: 00.
—I am wondering if we could go boating on the weekend. —It a good idea.
The building around the corner caught fire last night. The police are now____ the matter.
The man who was being followed stopped from time to time ____ he wanted to tie his shoelaces.
He was found to be a thief, ____ disappointed his wife.