题干
— Excuse me, this bag is too heavy. ________
— Of course.
A：Can I help you?
B：Could you help me?
C：Let’s help him.
D：Let me help you.
答案(点此获取答案解析）
B
— Excuse me, this bag is too heavy. ________
— Of course.
A：Can I help you?
B：Could you help me?
C：Let’s help him.
D：Let me help you.
