He waited until it was dark ____ nobody could see him clearly.
Not only _______interested in football but ______beginning to show an interest in it.
This is the reason ______ she explained in the report for her success in the job.
Not far from the club there was a garden, ______ owner was seated in an armchair there playing chess with some friends.
—How did you find him out? —I ______ his name by chance on the list.
If you ______ talk about it with me, please wait till I finish my work at hand.