Ⅰ.单项填空
1．(2015·四川绵阳模拟)China________a sharp increase in the number of aged people over the past decade.
A．had seen B．saw
C．will see D．has seen
答案 D [句意：最近十年中国老龄人口数量急剧上升。根据时间状语over the past decade可知应用现在完成时，故选D项。]
2．(2015·陕西西工大附中二模)Don't call me up at this time tomorrow, for I________an important test.
A．will take B．am taking
C．have been taking D．will be taking
答案 D [句意：明天这个时候不要给我打电话，我那时正在参加一个重要的考试。根据上下文和时间状语“at this time tomorrow”可知，此处应用将来进行时，故选D项。]
3．(2014·开封市二模)It is heard that the cloth which________well________well in our city.
A．is washed; sells B．washes; is sold
C．is washed; is sold D．washes; sells
答案 D [句意：听说在我们的城市，好洗的布料卖得很火。表示主语内在的特征、性质或所处的状态而不是强调动作本身，一般用主动形式表示被动含义，故选D。]
4．(2015·北京海淀区3月测试)I________toward the door to go outside when suddenly Jim opened it.
A．was walking B．walked
C．had walked D．walk
