Judging from his accent, I can ______ that he is from the south.

单项选择题Why did the tax-collector send a letter to the artist？（）

A．To send him a new tax form.
B．To return the money over-paid.
C．To remind him of paying the tax.
D．To explain the rules of tax-paying.

单项选择题After a lot of work, the artist thought that he had paid the government （）.

A．less tax than he should have
B．more tax than he should have
C．as much tax as usuall
D．just enough tax