____ the end of the performance did the audience get the chance to take photos with the respectable actor．
A．At B．By C．Up to D．Not until
The media today can draw public attention to _______help is actually needed．
A．that B．which C．where D．whose
It is obvious that talking about something behind others is what everyone will not ______．
A．come up with B．put up with
C．keep up with D．catch up with
The children are having a good time, ______ with sand, others with toys．
A．some of them playing B．some of them are playing
C．some of them D．who playing
The reason ______ his coming to China is ______ he wants to study in China．
A．why; that B．why; because C．for; that D．for; because
On the opposite wall _____ one map _____ dozens of pictures．
A．hangs , and B．hangs ; as well as
C．hang ; or D．is hanged ; with
