听短文，根据短文内容选择最佳答案
16．What was Mr Green doing on Sunday morning？
A．Reading a newspaper．
B．Breaking the window．
C．Doing morning exercises．
17．Where was Mr Green at that time？
A．In the kitchen．
B．In the bedroom．
C．In the living room．
18．Who broke the window of Mr Green's？
A．Mr Green himself．
B．Two boys．
C．One of his two children．
19．What was Mrs Green doing when she heard the noise？
A．Cooking breakfast for the family．
B．Talking with her children．
C．Dressing herself in the bedroom．
20．What were her parents doing when Connie went into the living room？
A．Calling up the police．
B．Talking beside the window．
C．Arguing with each other．