单项选择题
Those cakes look nice. Can I have（）?
A. one B. it C. – (不填) D. one cake
单项选择题 I'm in Greece at the moment. I like the weather（）.
单项选择题 Did you have a neighbor who was always（）your business?
单项选择题 More and more people in China now（）to work regularly.
