_______is known to us all is that the 2016 Olympic Games will take place in Rio de Janeiro.
| A．What | B．which | C．As | D．It |
You should book a train ticket_____ if you want to go home in time before the Spring Festival.
| A．in return | B．in advance |
| C．in place | D．in order |
Finding information in today’s world is easy. The ______ is how you can tell if the information you get is useful or not.
| A．knowledge | B．ability |
| C．competition | D．challenge |
--- John, have you seen the program＂I am a singer＂ which______ hosted by Hunan TV?
--- Yeah, of course. Each boy and each girl in our class ____ it.
| A．are; love | B．are; loves |
| C．is; loves | D．is; love |
If I have any further news, you will be the first person_____.
| A．to know | B．known |
| C．knowing | D．knew |
The boy student is poor in health now; his parents wish that his health _____when he grows up
| A．can improve | B．could improve |
| C．can be improved | D．could be improving |