. When Jack reached the station the train ______ for ten minutes.
Every possible means to work out the problem, but it is too difficult for us.
After graduation from college, he began to go from city to city, a suitable job.
The reason why he didn’t attend the meeting is he stayed up late last night.
-- Where _______ the traffic accident took place? -- Just at the entrance to the school.
John said he'd been working in the office for an hour, _________was true.