He observed a stranger __________ around the store at midnight. A, wandering B. to wanderC. wander D. to be wandering
The accidents of coal mines are believed ______ hundreds of deaths in China so far.
Tom ______ for 5 years, but he has been leading a new life since he was set free.
Thinking that the students were having an evening class, the teacher left the classroom, _____.
Mr Williams, ______ of the long speech, sat there, ________ to death.
The PLA soldiers came to the ruins of Yushu and after ______ seemed to be a long time, they helped some victims out.