Tom: This is my schoolmate,Mary,and this is my friend,Susan.
Susan:How do you do?
Mary:____________
A.How are you? B.Nice to meet you. C.Fine,thank you. D.Everything is fine.
参考答案:
答案解析:
Shop assistant: Good morning.Can I help you? Customer: _____
Shop assistant: Good morning.Can I help you? Customer: _________.I"m just looki