1. They are sales reps.（对画线部分提问）
?
2. The young man is Tom.（对画线部分提问）
the young man?
3. That is a housewife.（变为复数句子）
.
4. They are hard-working.（对画线部分提问）
they ?

Mr. Black: Come and meet our employees, Mr. White.
Mr. White: Thank you, Mr. Black.
Mr. Black: is Lucy Grey, and this is Liz Taylor.
Mr. White: do you do? Those are very hard-working. What are jobs?
Mr. Black: They're keyboard . This is Mike Baker, and this is Sam Short.
Mr. White: How do you do? They very busy! What are their jobs?
Mr. Black: They're reps. They're very lazy.
Mr. White: is this young man?
Mr. Black: This is David. our office assistant.

Ⅶ 翻译句子。
1. 来见见我们的雇员。
2. 那些姑娘都很勤快。
3. 这个年轻人是谁？
4. 他们是做什么工作的？
5. 他是我们办公室的助理。