I failed in the final examination last term and only then _____ the importance of study.
| A．I realized |
| B．had I realized |
| C．I had realized |
| D．did I realized |
. ---Did he hear of the news that his son sacrificed in the war?
---No. It was he received the call from the army he knew it.
| A．until, that | B．not until, when | C．until, when | D．not until, that |
---Tom won an award again.
--- is no accident that he is so successful. He is always working hard.
| A．There | B．This | C．It | D．That |
---Which bag would you like to choose?
---The one there is a Mickey Mouse.
| A．where | B．which | C．what | D．that |
Yushu is reported from the destruction caused by the earthquake.
| A．to have recovered | B．recovering | C．to be recovered | D．to be recovering |
The eyes of the world are the expo in Shanghai.
| A．at | B．in | C．on | D．by |