单项选择题
A．Because it was easy down. B．Because it was very expensive. C．Because it was not advanced enough. D．Because it was not as big as the main computer.
A．reading carefully B．reading quickly and not word by word C．reading by repeating some important words D．reading more than one article at the same time
A．it was hard to watch NBA games on TV B．playing in the NBA was difficult C．he was an NBA star D．it was boring to play basketball