I,who____your friend,will try my best to help you with your English.
| A．am | B．is | C．are | D．be |
It’s said that this kind of plant only gives off this strange perfume on ________ conditions which the scientists are trying to figure out now.
| A．outstanding | B．certain |
C．obvious | D．ordinary |
As we know, success often comes after ______ failure; so don’t be so upset about _______ failure of this matter.
| A．a; a | B．不填; the |
C．a; the | D．不填; a |
It was in the street _______ I met one of my friends yesterday.
| A．how | B．that |
| C．which | D．when |
The beauty of the city is _______ my description.
| A．above | B．beyond |
| C．off | D．by |
You can't imagine what great trouble I had _______ his address.
| A．to find | B．of finding |
| C．finding | D．about finding |