填空题改suburban为rural。

单项选择题A．US Defense secretary Donald RumsfeldB．US Federal Reserve chairman Alan GreenspanC．US President George W. BushD．US Vice President Dick Cheney

填空题改playing为played。

填空题改export为exports。

单项选择题A．many Australians are taking time off to travelB．the woman worked for some time in New ZealandC．the woman raised enough money for travelD．Australians prefer to work in New Zealand