_云南成考网

David has decided ______football at the end of this season. 

• A、give up 

• B、giving up

• C、 to give up 

• D、having given up 

When did Franeeseo de Vico discover the comet? 

• A、In 1818 

• B、In 1889 

• C、In 1848 

• D、In 1847 

根据中文提示,把对话中缺少的内容写在线上。这些句子必须符合英语表达习惯。打句号的地方，用陈述句;打问号的地方，用疑问句。

提示:Lucy要去艺术展览中心,向一位男士问路，该男士告诉她如何前往。

(L=Lucy;S=Sir)

L: Excuse me ,sir.      51       the Art Exhibition Centre?

S: Yes but it is quite far.It'S about an hour'Swalk.You can take a bus there.

L:           52       ?

S: You can take Bus No. 15.

L:           53         ?

S: About 20 minutes. And you can also take a taxi.

L: Taxi? That'S a good idea. Thank you very much.

S:     54             .

L: Goodbye.

S;       55       .