So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.
| A．has the children become | B．did the children become |
| C．has become the children | D．became the children |
The most favorite room is the tidy study with a fireplace,_____we can watch TV and enjoy the nice scenery outside.
| A．where | B．when | C．that | D．which |
I lost my way in complete darkness and, ______matters worse, it began to rain.
| A．made | B．having made | C．making | D．to make |
She had golden hair when she was a child, but_________ she got older and older; her hair went darker and darker.
| A．while | B．when | C．after | D．as |
___________she was invited to the ball made her very happy.
| A．What | B．That | C．When | D．Because |
Jack is one of those men who_________ best evening the most difficult situations.
| A．his | B．your | C．their | D．one's |