---Three people got killed by two explosions.
---When was __________?
---________ was on April 15 __________ the 2013 Boston Marathon was being held．
A．that; It; when B．this; This; that
C．this; It; when D．that; It; that
Police have asked witnesses of the accident to ___________, as the victim is critically wounded, unable to give an account of the accident.
A．come by B．come across C．come forward D．come on
I do believe that all the Senior 3 students in our school will do well in the coming college entrance examination, __________?
A．will they B．won't they C．don't I D．do you
While we are busy living our dreams, our children are busy growing up, the people we love are moving away and dying, our bodies are getting _________, and our dreams are slipping away.
A．out of date B．out of control
C．out of touch D．out of shape
The local TV program Kankankan(看看看) can often help solve problems and draw attention to situations_______ help is needed.
A．that B．whose C．where D．which
How can school ban mobile phones completely __________ some of the parents simply don’t follow the rule?
A．unless B．when C．until D．before
