.____to someone , a British person often shakes hands with the stranger.
Much to my surprise, it _____ raining by the time I wanted to go out.
I was walking along the road _____ someone patted me on the shoulder from behind.
—What’s made Mr. Grey so sad?—_____ three tickets to the pop art exhibition.
I’m glad to learn that his attitude _____ this plan is similar _____ mine.
_____ you have the chance to study, you’d better make full use of your time.