________ there is no restriction on foreign entries at the film festival ,those that win are in minority. A. unless B. When C Where D while
---I apologized for_____ to tell you when and where the meeting will be held in advance.
Most birds find it safe to sleep in the trees, but _____ they have eggs or young chicks, they don’t use a nest.
---What were you doing when Tom came to see you?---I had just put on my overcoat and_____ to visit my friends.
As ______along the river bank, she was singing a pop song.
_____ is known to everybody, Taiwan is part of China. We must unify it.