______ birds use their feathers for flight, some of their feathers are for other purposes.
| A． |
Once |
B． |
If |
C． |
Although |
D． |
Because |
______ his expression, he didn’t _____the driving test.
| A．Judging from, go through |
| B．Judging by, get through |
| C．Judged from, pass through |
| D．Judged by，put through |
The man kept silent in the room unless_______.
| A．spoken | B．speaking |
| C．to speak | D．spoken to |
Let those in need ________ that we will go all out to help them.
| A．to understand | B．understand |
| C．understanding | D．understood |
Anxiously, she took the dress out of the package and tried it on, only ________ it didn’t fit.
| A．finding | B．found |
| C．to find | D．having found |
（）Anxiously, she took the dress out of the package and tried it on, only _________ id didn’t fit.
| A．to find | B．found |
| C．finding | D．having found |