城市地域有住宅、商业、办公和文化等功能分区。读下图回答第4题：
图中表示住宅区和商业区的曲线分别是（ ）
| A．①和② | B．①和④ | C．②和③ | D．③和④ |
Since then I a member of the family and never from them.
| A．have be come; will I separate |
| B．have be come; I will separate |
| C．have been; will be separated |
| D．have been; I was separated |
---Will you please spare me a few minutes to accept my interview, Mr Yang Liwei now?
---________. But I’ll be free this evening. Would you mind?
| A．No, I don’t | B．Yes, with pleasure |
| C．I’m afraid not | D．Yes, I’d be glad to |
Some famous singers live on the _________ from their record sales.
| A．salary | B．value | C．bill | D．income |
The World Trade Organization (WTO) finally opened its door to China on November 10, ______ our Chinese 15-year wait.
| A．to end | B．ended |
| C．ending | D．ends |
Qingdao is _______ most beautiful coastal city and I think I’ll go there for _______ second time.
| A．a;a | B．the; a | C．the; the | D．the; a |