—How long has Mary ______ Johnson?—I don’t know. I even don’t know that they had ______.
Tell me when you ________ at the airport, Alice. I’ll go there to meet you if I’m here.
There is still much to discuss. We shall, ______, return to this at our next meeting.
--An explosion at a coal mine of Panzhihua killed at least 43 workers and left another 3 missing. --Yes,_______ news came as _______ shock to us all.
Tom was the first man _______ after the accident.
How long do you think ________the car factory launches a new model?