________ I saw the beautifuldecorated house, I really wondered how she could manage that all by herself.
| A．While | B．When |
| C．As long as | D．Now that |
Last month 3 people got injured in a gas explosion, has not been discovered yet.
| A．whose cause | B．the cause of that | C．which cause | D．the cause |
The rich man was unwilling to offer any help, which greatly all the people present .
| A．settled | B．upset | C．suffered | D．disagreed |
Finally, Li Qi presented a perfect show in front of the 4 judges, all of agreed that it was he who was the winner in Voice of China 2013.
| A．who | B．which | C．that | D．whom |
Nelson Mandela, former president of South Africa, devoted himself to making the black and white equal.
| A．actually | B．gradually | C．entirely | D．sincerely |
As matter of fact, number of young couples who plan to have a second kid is increasing rapidly.
| A．the; a | B．a; the | C．a; a | D．不填；the |