单项选择题
The trip to the museum has been（）until Thursday 11th March.
A.lengthened B.postponed C.frowned D.cancelled
单项选择题 I'm sure Harry will remember, but why not give him a ring（）he forgets?
单项选择题 This might explain the（）feeling I have long had about pop music.
单项选择题 The children panicked（）the sound of the terrorists'guns.
