根據(jù)下面短文內(nèi)容，在短文的空格處填上一個最恰當?shù)脑~，使短文完整、通順。
    The story happened（1）

at

at

the beginning of the 20th century.There was a successful American shoe-making company.Because of market changes，the sales of the company went （2）

down

down

sharply.The boss was worried about this，so he held a（3）

meeting

meeting

to discuss this problem.One of their decisions was to open new markets abroad.Soon the two best salesmen in his company were sent to Africa to do a survey first.
    （4）

Though

Though

the two salesmen left for Africa on the same boat，they went to different countries.Within a month，the first salesman finished doing his survey of the African market.He made a call to the boss，telling him to give up his plan.He said."Boss，it is bad news.The weather here is so （5）

hot

hot

that people here all go barefoot. （6）

Nobody

Nobody

wears any shoes.There is no market for us here!"The salesman sounded pretty unhappy.
    After a few days，the second salesman （7）

called

called

the boss.He was quite excited and said，"Boss，good news.It's a fantastic place which can offer a huge market.No one here wears shoes.We are going to sell thousands of pairs and make a lot of money.All we need to do is to（8）

tell

tell

them the importance of wearing shoes on the hot road."