The operation is _____ success and the patient is now out of _____ danger.
| A．a, the | B．a, 不填 |
| C．不填, the | D．不填，不填 |
On _______ side of the river there are a lot of trees.
| A．both | B．any | C．either | D．neither |
At last she made herself ______ by drawing a picture.
| A．understand | B．to understand | C．understood | D．understanding |
I was about to go shopping _______ the telephone rang.
| A．as | B．while | C．when | D．as soon as |
The apartment caught fire last night. Fortunately, most of the people there _______ escape.
| A．could | B．were able to | C．meant to | D．tried to |
This is _______ I have come to Yuanyang.
| A．for the first time | B．the first time | C．every time | D．the time |