单项选择题
Goodbye, Miss Liu. I'm very pleased（）
A.to meet you B.having met you C.be meeting you D.to have met you
单项选择题 In China, children（）school at seven.
单项选择题 I（）finish my homework now. I can do it at the weekend.
单项选择题 People wandering in the fairground or park area（）wear a uniform.
