. I was embarrassed to admit that yesterday I ______ a serious error.
| A．acted | B．committed | C．performed | D．completed |
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 |
The Internet gives people the chance to have the information _______ quickly and cheaply.
A．to deliver |
B．deliver | C．delivered | D．delivering |
I have told you the truth. _______I keep repeating it?
| A．Must | B．Can | C．May | D．Will |
If I when he comes,wake me up,please.
| A．slept | B．an sleeping | C．will be sleeping | D．was sleeping |