单项选择题
A．Unofficial strikes are easier to deal with now. B．Trade unions in Britain are becoming more widespread. C．Most strikes are against the British law. D．Employer-worker relations in Britain have become tenser.
A．I am listening to the talker attentively. B．I don’t like what you are talking about. C．I want to speak something about this topic. D．I hate to sit here.
A．Jefferson has traveled to many foreign countries. B．Washington and Adams were both presidents of United States. C．Jefferson did not know how to run for the presidency. D．Jefferson was not a scientist.