五、根据中文意思,完成下列句子。(共5小题;每小题1分,满分5分)
71. 在一天的辛苦工作后,我们都筋疲力尽了。
We were ▲ ▲ after a hard day’s work.
72.上海是个世界闻名的贸易中心,那儿有许多大公司和国际银行。
Shanghai is a world-famous ▲ _ ▲ with many big companies and international banks.
73. 政府正尽力改善人们的居住条件。
The government is trying to improve people’s ▲ ▲ .
74. 你加入学校足球俱乐部多久了?。
How long ▲ you ▲ in the School Football Club?
75. 我们的家乡这些年发生了很大的变化。
Great changes have ▲ ▲ in our hometown over these years.