By August the flowers _____.
| A．die | B．will die | C．are to die | D．will have died |
The hurricane was________powerful that quite a lot of big trees in our town were knocked over last night.
| A．very | B．too |
| C．so | D．such |
I might fail，but________I insist on doing it.I never lose heart.
| A．someway | B．anyhow |
| C．then | D．meanwhile |
—How did you pass the challenging test?
—It was a long time________I found a series of suitable methods.
| A．when | B．until |
| C．since | D．before |
Because of H7N9 bird flu，all the chicken markets in Shanghai have been closed and won’t open until further________.
| A．sign | B．symbol |
| C．signal | D．notice |
Hiking by oneself can be fun and good for health.It may also be good for________building.
| A．respect | B．friendship |
| C．reputation | D．character |