—Did you find the missing couple in the mountain yesterday?—No, but we __________ to get in touch with them ever since.
I’m afraid I am not fit for the job, for it is ______calling for much patience.
______the room, a letter was seen lying on the desk.
Only after you finish your homework ______TV.
--- Why were you so late for work today? --- ________ to the office was very slow this morning because of the traffic.
It was impolite of him ____without ____good-bye