I ran across a car crash in Hong Kong, and ________, both sides just politely exchanged the telephone numbers and cards, a surprise to me.
Not until the bus disappeared in the distance ________ her school bag was gone.
When I was a little girl, I ________ with my uncle for several years.
We students should treasure the short senior school’s study life of three years. Once ________, the opportunity can’t get back.
She suggested the problem worth paying attention ________ at the meeting.
We all hold ________ belief that those who have ________ wonderful sense of humor are more popular.