问题补充：
---?
----I’d like to buy some sausages.
A. Can you help me?
B. What can I do for you?
C. What are these?
D. What are you doing now?
答案：
A. Can you help me?
(答案→)B. What can I do for you?
C. What are these?
D. What are you doing now?
解析：A.Can you help me?你能帮助我吗？ B.What can I do for you? 我能为你做什么？C.What are these?这些是什么？ D.What are you doing now?你正在做什么？句意：我能为你做些什么？我想买一些香肠。故选B
