______, he always makes time for his family．
A．No matter he is busy B．No matter how busy he is
C．However he is busy C．However busy is he
--- Now the situation has been kept under ______ control．
--- Yes．______ role John played in it was very important．
A．the; A B．/; The C．the; The D．/; A
_______ reaching the top of the mountain, a feeling of happiness and a sense of achievement will be experienced．
A．With B．In C．About D．Upon
The computer was used in teaching．As a result, not only _______, but students became more interested in the lessons．
A．saved was teachers’ energy B．was teachers’ energy saved
C．teachers’ energy was saved D．was saved teachers’ energy
They are sure that they can make ______ possible for their model cars to run without electricity．
A．so B．much C．that D．it
Germany nipped Ghana 1-0 in their last World Cup Group D game, _______ sent both teams into the last 16 at 2010 World Cup．
A．which B．where C．what D．that
