Many approaches have been to control the spread of H7N9 Bird Flu.
| A． adapted | B． employed |
| C． negotiated | D． accessed |
Every student as well as teachers who ______ to visit the museum ______ asked to be at the school gate on time.
| A．is; is | B．are; are | C．is ; are | D．are ;is |
Several hours later, with the help of the police, the students managed to escape from the dangerous situation, ______.
| A．hungry and frightened | B．hungrily and frightening |
| C．hungry and frightening | D．hungrily and frightened |
---Excuse me, I want to have a letter mailed, but I can’t find a post office.
--- I know ______ nearby. Come on, I’ll show you.
| A．it | B．one | C．that | D．another |
---Jack failed the driving test again．
---The question is_____ we can help him avoid making the same mistake．
| A．how | B．why | C．what | D．whom |
The world is full of wonders, _____ we open our eyes to see them．
A． if only B． as if C even if D． only if