单项选择题
You don't have to show（）to me. You can have your own ideas.
A.attachment B.aggression C.submarine D.submission
单项选择题 His scientific interests cover a wide（）
单项选择题 The trip to the museum has been（）until Thursday 11th March.
单项选择题 I'm sure Harry will remember, but why not give him a ring（）he forgets?
