问题补充：
---Mum , May I borrow your camera ? --- Sure ,here it is .
A. please help me
B. can I ask a favour ?
C. where is your camera ?
D. excuse me .
答案：
A. please help me
(答案→)B. can I ask a favour ?
C. where is your camera ?
D. excuse me .
解析：句意：— 妈妈，我可以借用你的照相机吗？当然，给你。A. please help me请帮我；B. can I ask a favour ? 可否帮个忙？C. where is your camera ? .你的相机在哪里？D. excuse me 打扰了。在借东西时，英语的习惯是先说excuse me,故选B。
考点: 考查日常交际用语的用法。
