When was Apple Computer founded How old was Steven Jobs when he started Apple Computer

You should have 　　(16)　　 .

You have to 　　(17)　　 and answer.correspondence. yourself when your employer is away.

You should have a pleasant 　　(18)　　 and a rather detail knowledge.

You shoud be friendly，　　(19)　　 and 　　(19)　　

You should 　　(20)　　 directly.

You should be fast and 　　(21)　　.

Don’t hesitate 　　(22)　　.