When she was asked how she had managed to live _______ with the man she hated so much, she didn’t ______ to the question.
—Did Hans take part in the contest?—No, at the last moment his courage _____ him and he ran away.
As many as 100 species of fish, some ____ to these waters, may have been affected by the pollution.
— Have you seen ____ pencil? I left it here this morning.—Is it _____black one? I think I saw it somewhere.
---Could I use your computer for a few minutes, please? --- ________. I’m not using it myself.
It was at 10 o’clock last night __________ the visitors finally arrived at Pudong International Airport.