( )是政府财政收入的主要来源。
A．发行国债
B．发行股票
C．政府税收
D．发放贷款
参考答案：C
Have you got email from your friend?[ ]
A. a
B. an
C. the
D.不填
What _____________ you like for breakfast?[ ]
A. did
B. would
C. have
