He had little idea that it was getting so late, ___________?
-You seem to be familiar with this city.-I_______here for three years. It's great to be back.
The air quality in our city, _____is shown in the report, has improved a lot recently.
The teacher always reminds us, “On no condition_____ you are a Chinese.”
_______ of being involved in the attempted murder, she was questioned by the police.
-How long ________inBeijing?-For just the weekend. I'II be back for work next Monday.